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CVE-2026-20329

Cisco Secure Firewall Adaptive Security Appliance (ASA) Software · Vulnerability

CVSS 3.1 9.9 CRITICALCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-20329

Published

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-20329

Published

Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

Vendor product

Publisher's version information

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

{
                    "vendor": "Cisco",
                    "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
                    "versions": [
                        {
                            "version": "9.16.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.1.28",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.2.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.3.23",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.46",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.27",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.53",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.38",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.3.56",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.42",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.48",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.8",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.2.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.57",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.24",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.2.21",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.61",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.29",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.2.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.62",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.34",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.67",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.70",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.40",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.71",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.47",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.76",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.50",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.52",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.1.6",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.53",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.82",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.16",
                            "status": "affected"
                        },
                        {
                            "version": "9.19.1.42",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.57",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.84",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.3.20",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.66",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.85",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.67",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.1",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.68",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.20",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.71",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.19",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.26",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.89",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.2.32",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.76",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.3",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.1.9",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.28",
                            "status": "affected"
                        },
                        {
                            "version": "9.22.3.5",
                            "status": "affected"
                        },
                        {
                            "version": "9.16.4.92",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.135",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.195",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.30",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.1.155",
                            "status": "affected"
                        },
                        {
                            "version": "9.23.1.32",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.1.11",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.34",
                            "status": "affected"
                        },
                        {
                            "version": "9.18.4.82",
                            "status": "affected"
                        },
                        {
                            "version": "9.24.10",
                            "status": "affected"
                        },
                        {
                            "version": "9.20.4.235",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Cisco Secure Firewall Management Center (FMC)

Vendor product

Publisher's version information

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

{
                    "vendor": "Cisco",
                    "product": "Cisco Secure Firewall Management Center (FMC)",
                    "versions": [
                        {
                            "version": "7.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.9",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.10",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.10",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.10.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.11",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.4",
                            "status": "affected"
                        },
                        {
                            "version": "10.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.9",
                            "status": "affected"
                        },
                        {
                            "version": "7.2.11",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.12",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.6",
                            "status": "affected"
                        },
                        {
                            "version": "10.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.7",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Cisco Secure Firewall Threat Defense (FTD) Software

Vendor product

Publisher's version information

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

{
                    "vendor": "Cisco",
                    "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
                    "versions": [
                        {
                            "version": "7.0.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.10",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.11",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.4",
                            "status": "affected"
                        },
                        {
                            "version": "10.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.0.9",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.7",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

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

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