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CVE-2026-20071 ISE 802.1x Session Hijack Vulnerability

🗓️ 16 Sep 2026 20:20:46Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Cisco ISE BYOD onboarding session hijack grants unauthenticated adjacent attacker 802.1X access.

Related
Affected
Refs
[
  {
    "vendor": "Cisco",
    "product": "Cisco Identity Services Engine Software",
    "versions": [
      {
        "version": "3.1.0",
        "status": "affected"
      },
      {
        "version": "3.1.0 p1",
        "status": "affected"
      },
      {
        "version": "3.1.0 p3",
        "status": "affected"
      },
      {
        "version": "3.1.0 p2",
        "status": "affected"
      },
      {
        "version": "3.2.0",
        "status": "affected"
      },
      {
        "version": "3.1.0 p4",
        "status": "affected"
      },
      {
        "version": "3.1.0 p5",
        "status": "affected"
      },
      {
        "version": "3.2.0 p1",
        "status": "affected"
      },
      {
        "version": "3.1.0 p6",
        "status": "affected"
      },
      {
        "version": "3.2.0 p2",
        "status": "affected"
      },
      {
        "version": "3.1.0 p7",
        "status": "affected"
      },
      {
        "version": "3.3.0",
        "status": "affected"
      },
      {
        "version": "3.2.0 p3",
        "status": "affected"
      },
      {
        "version": "3.2.0 p4",
        "status": "affected"
      },
      {
        "version": "3.1.0 p8",
        "status": "affected"
      },
      {
        "version": "3.2.0 p5",
        "status": "affected"
      },
      {
        "version": "3.2.0 p6",
        "status": "affected"
      },
      {
        "version": "3.1.0 p9",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 2",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 1",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 3",
        "status": "affected"
      },
      {
        "version": "3.4.0",
        "status": "affected"
      },
      {
        "version": "3.2.0 p7",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 4",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 1",
        "status": "affected"
      },
      {
        "version": "3.1.0 p10",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 5",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 6",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 2",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 7",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 3",
        "status": "affected"
      },
      {
        "version": "3.5.0",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 4",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 8",
        "status": "affected"
      },
      {
        "version": "3.2 Patch 8",
        "status": "affected"
      },
      {
        "version": "3.5 Patch 1",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 9",
        "status": "affected"
      },
      {
        "version": "3.2 Patch 9",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 5",
        "status": "affected"
      },
      {
        "version": "3.5 Patch 3",
        "status": "affected"
      },
      {
        "version": "3.5 Patch 2",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 10",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 11",
        "status": "affected"
      },
      {
        "version": "3.4 Patch 6",
        "status": "affected"
      },
      {
        "version": "3.2 Patch 10",
        "status": "affected"
      },
      {
        "version": "3.1.0 p72",
        "status": "affected"
      },
      {
        "version": "3.1.0 p11",
        "status": "affected"
      },
      {
        "version": "3.3 Patch 12",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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