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CVE-2026-20173

🗓️ 07 Oct 2026 16:12:04Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Unauthenticated remote DoS in Cisco NX-OS Software via resource exhaustion of data plane.

Related
Detection
Affected
Refs
Vulners
Node
OR
ciscocisco_nx-os_softwareMatch7.3(2)d1(3a)
ciscocisco_nx-os_softwareMatch7.3(2)d1(1d)
[
  {
    "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"
  }
]

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07 Oct 2026 18:17Current
CVSS 3.15.8
SSVC
3