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Cisco NX-OS Software Denial of Service Vulnerability

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-20173

Published

Cisco NX-OS Software

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Cisco",
                    "product": "Cisco NX-OS Software",
                    "versions": [
                        {
                            "version": "8.2(5)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(5)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(2v)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(4)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(2t)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(3y)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.3(2)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(2)D1(3a)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(4)",
                            "status": "affected"
                        },
                        {
                            "version": "8.1(2)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(3)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(3)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(1)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(0)DX(1)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(2)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(2)D1(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(4)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1z)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.1(2a)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(2)D1(3)",
                            "status": "affected"
                        },
                        {
                            "version": "8.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(1)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(0)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(3)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(2)D1(1d)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(4)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(6)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(6)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(5)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(6)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(4)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(7)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(5w)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(7)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(7)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(7k)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(8)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(7a)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(7a)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(8)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(4a)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(5)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(8)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(9)",
                            "status": "affected"
                        },
                        {
                            "version": "7.3(9)D1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(6)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(10)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(9)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(7)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(6a)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(11)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(10)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(12)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(8)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(99w)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3w)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(99x)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3o)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(9)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(4)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3p)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(4a)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(2)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3q)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(13)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(11)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(5)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(3)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3x)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(4g)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(10)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(3r)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(6)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(14)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(4)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(4h)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(11)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(7)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(5)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(15)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(4g)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(4)",
                            "status": "affected"
                        },
                        {
                            "version": "8.4(12)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3t)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(8)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(6)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3s)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3e)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3o)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(16)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(3p)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(7)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(5)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(17)",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

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

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Sources read 11 Nov 12:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current