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CVE-2026-20288

Cisco IMC Remote Code Execution Vulnerability Remote Code Execution Vulnerability

CVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-20288

Published

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with Admin privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root.  This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.  Cisco has assigned this vulnerability a SIR of High rather than Medium as the score indicates because additional security implications could occur when the attacker becomes root.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-20288

Published

Cisco Enterprise NFV Infrastructure Software

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Cisco",
                    "product": "Cisco Enterprise NFV Infrastructure Software",
                    "versions": [
                        {
                            "version": "4.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.9.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.11.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.10.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.12.1b",
                            "status": "affected"
                        },
                        {
                            "version": "3.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.12.1a",
                            "status": "affected"
                        },
                        {
                            "version": "3.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.11.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.12.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.10.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.4.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.2-FC2",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.8.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.13.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.5",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.14.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.6.3-FC4",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.4-FC3",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.9.6",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.5",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.6",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.5",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.7",
                            "status": "affected"
                        },
                        {
                            "version": "4.18.3",
                            "status": "affected"
                        },
                        {
                            "version": "26.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.18.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.16.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.18.2a",
                            "status": "affected"
                        },
                        {
                            "version": "4.18.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.18.2",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Cisco Unified Computing System (Standalone)

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Cisco",
                    "product": "Cisco Unified Computing System (Standalone)",
                    "versions": [
                        {
                            "version": "4.0(2g)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2i)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(1d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4i)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(1c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1e)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2l)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1.240)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2i)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3i)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(1d)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4k)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2d)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3a)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3j)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(1f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4j)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2m)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2k)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4c)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3d)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2g)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1d)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2e)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1a)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(1b)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4b)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(2b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4e)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4l)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(1g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2a)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2n)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(1h)",
                            "status": "affected"
                        },
                        {
                            "version": "3.1(3k)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2o)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4m)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2p)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2e)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(4n)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2q)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.0(2r)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2j)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2k)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(2a)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3i)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(2f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(2g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3l)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3d)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(1.230097)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1e)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1b)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1j)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1i)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1f)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1a)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1c)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(1g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(1.230124)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2l)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3e)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(1.230138)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3g)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.230207)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3h)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3i)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.230270)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3m)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(2m)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240002)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(3.240022)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3j)",
                            "status": "affected"
                        },
                        {
                            "version": "4.1(3n)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240009)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(3.240041)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3k)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(3.240043)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.240142)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240037)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240053)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.240152)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3l)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240077)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.242028)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.241063)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.242038)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3m)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240090)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.240021)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.240107)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.242066)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3n)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.250001)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3o)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250016)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250021)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.250030)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250022)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250039)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250040)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.250033)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250044)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250053)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250037)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250045)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.252001)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.252002)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250127)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3p)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250131)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250101)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250174)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250117)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.250043)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(5.250045)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.250060)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250130)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(4.241014)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.250063)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250192)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.260003)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(1.250194)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.260017)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(2.260007)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(2.260044)",
                            "status": "affected"
                        },
                        {
                            "version": "6.0(2.260069)",
                            "status": "affected"
                        },
                        {
                            "version": "4.3(6.260033)",
                            "status": "affected"
                        },
                        {
                            "version": "4.2(3q)",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Cisco Unified Computing System E-Series Software (UCSE)

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Cisco",
                    "product": "Cisco Unified Computing System E-Series Software (UCSE)",
                    "versions": [
                        {
                            "version": "3.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.6",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.10",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.4",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "3.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.11.3",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.11.5",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.13.6",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.14",
                            "status": "affected"
                        },
                        {
                            "version": "4.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.15",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.15.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.16.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.2.17.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.15.3",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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