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CVE-2026-20033

🗓️ 25 Feb 2026 16:26:29Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 55 Views

CVE-2026-20033 DoS on Nexus 9000 from crafted Ethernet frames to the out-of-band management interface.

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Detection
Affected
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Node
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[
  {
    "vendor": "Cisco",
    "product": "Cisco NX-OS System Software in ACI Mode",
    "versions": [
      {
        "version": "15.2(1g)",
        "status": "affected"
      },
      {
        "version": "15.2(2e)",
        "status": "affected"
      },
      {
        "version": "15.2(2f)",
        "status": "affected"
      },
      {
        "version": "15.2(2g)",
        "status": "affected"
      },
      {
        "version": "15.2(2h)",
        "status": "affected"
      },
      {
        "version": "15.2(3f)",
        "status": "affected"
      },
      {
        "version": "15.2(3e)",
        "status": "affected"
      },
      {
        "version": "15.2(3g)",
        "status": "affected"
      },
      {
        "version": "15.2(4d)",
        "status": "affected"
      },
      {
        "version": "15.2(4e)",
        "status": "affected"
      },
      {
        "version": "15.2(5c)",
        "status": "affected"
      },
      {
        "version": "15.2(5d)",
        "status": "affected"
      },
      {
        "version": "16.0(1g)",
        "status": "affected"
      },
      {
        "version": "15.2(5e)",
        "status": "affected"
      },
      {
        "version": "15.2(4f)",
        "status": "affected"
      },
      {
        "version": "15.2(6e)",
        "status": "affected"
      },
      {
        "version": "15.2(6h)",
        "status": "affected"
      },
      {
        "version": "16.0(1j)",
        "status": "affected"
      },
      {
        "version": "15.2(6g)",
        "status": "affected"
      },
      {
        "version": "15.2(7f)",
        "status": "affected"
      },
      {
        "version": "15.2(7g)",
        "status": "affected"
      },
      {
        "version": "16.0(2h)",
        "status": "affected"
      },
      {
        "version": "15.2(8d)",
        "status": "affected"
      },
      {
        "version": "16.0(2j)",
        "status": "affected"
      },
      {
        "version": "15.2(8e)",
        "status": "affected"
      },
      {
        "version": "16.0(3d)",
        "status": "affected"
      },
      {
        "version": "16.0(3e)",
        "status": "affected"
      },
      {
        "version": "15.2(8f)",
        "status": "affected"
      },
      {
        "version": "15.2(8g)",
        "status": "affected"
      },
      {
        "version": "15.3(1d)",
        "status": "affected"
      },
      {
        "version": "15.2(8h)",
        "status": "affected"
      },
      {
        "version": "16.0(4c)",
        "status": "affected"
      },
      {
        "version": "15.3(2a)",
        "status": "affected"
      },
      {
        "version": "15.2(8i)",
        "status": "affected"
      },
      {
        "version": "16.0(5h)",
        "status": "affected"
      },
      {
        "version": "15.3(2b)",
        "status": "affected"
      },
      {
        "version": "16.0(3g)",
        "status": "affected"
      },
      {
        "version": "16.0(5j)",
        "status": "affected"
      },
      {
        "version": "15.3(2c)",
        "status": "affected"
      },
      {
        "version": "16.0(6c)",
        "status": "affected"
      },
      {
        "version": "15.3(2d)",
        "status": "affected"
      },
      {
        "version": "16.1(1f)",
        "status": "affected"
      },
      {
        "version": "16.0(7e)",
        "status": "affected"
      },
      {
        "version": "16.0(8e)",
        "status": "affected"
      },
      {
        "version": "15.3(2e)",
        "status": "affected"
      },
      {
        "version": "16.0(8f)",
        "status": "affected"
      },
      {
        "version": "16.1(2f)",
        "status": "affected"
      },
      {
        "version": "16.1(2g)",
        "status": "affected"
      },
      {
        "version": "15.3(2f)",
        "status": "affected"
      },
      {
        "version": "16.0(9c)",
        "status": "affected"
      },
      {
        "version": "16.1(3f)",
        "status": "affected"
      },
      {
        "version": "16.0(9d)",
        "status": "affected"
      },
      {
        "version": "16.0(6h)",
        "status": "affected"
      },
      {
        "version": "16.0(8h)",
        "status": "affected"
      },
      {
        "version": "16.1(3g)",
        "status": "affected"
      },
      {
        "version": "16.0(9e)",
        "status": "affected"
      },
      {
        "version": "16.1(4h)",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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17 Jun 2026 10:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.4
EPSS0.00166
55