cisco-sa-ise-cert-mE9BD5GOMediumCVSS 5.3

Cisco Identity Services Engine Authorization Bypass Vulnerability

Published
November 4, 2026
Last Modified
November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-20241 →

📋 Description

A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate.

This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVE-2026-20241 — Cisco Identity Services Engine Authorization Bypass Vulnerability (CVSS 3.1 5.3, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

🎯 Affected products51

  • Cisco ISE Passive Identity Connector
  • Cisco Identity Services Engine Software
  • Cisco ISE Passive Identity Connector 3.1.0
  • Cisco ISE Passive Identity Connector 3.2.0
  • Cisco ISE Passive Identity Connector 3.3.0
  • Cisco ISE Passive Identity Connector 3.4.0
  • Cisco Identity Services Engine Software 3.1.0
  • Cisco Identity Services Engine Software 3.1.0 p1
  • Cisco Identity Services Engine Software 3.1.0 p11
  • Cisco Identity Services Engine Software 3.1.0 p2
  • Cisco Identity Services Engine Software 3.1.0 p3
  • Cisco Identity Services Engine Software 3.1.0 p4
  • Cisco Identity Services Engine Software 3.1.0 p5
  • Cisco Identity Services Engine Software 3.1.0 p6
  • Cisco Identity Services Engine Software 3.1.0 p7
  • Cisco Identity Services Engine Software 3.1.0 p8
  • Cisco Identity Services Engine Software 3.1.0 p9
  • Cisco Identity Services Engine Software 3.2 Patch 10
  • Cisco Identity Services Engine Software 3.2 Patch 8
  • Cisco Identity Services Engine Software 3.2 Patch 9
  • Cisco Identity Services Engine Software 3.2.0
  • Cisco Identity Services Engine Software 3.2.0 p1
  • Cisco Identity Services Engine Software 3.2.0 p2
  • Cisco Identity Services Engine Software 3.2.0 p3
  • Cisco Identity Services Engine Software 3.2.0 p4
  • Cisco Identity Services Engine Software 3.2.0 p5
  • Cisco Identity Services Engine Software 3.2.0 p6
  • Cisco Identity Services Engine Software 3.2.0 p7
  • Cisco Identity Services Engine Software 3.3 Patch 1
  • Cisco Identity Services Engine Software 3.3 Patch 10
  • +21 more not shown

✅ Remediation

Cisco has released software updates that address this vulnerability. https://software.cisco.com Workarounds: There are no workarounds that address this vulnerability.

🔗 References (4)