cisco-sa-ise-multi-vuln-kWLeNnRDMediumCVSS 4.9

Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities

Published
September 16, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (2)

CVE-2026-20071 →CVE-2026-20072 →

📋 Description

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an unauthenticated, local attacker to either conduct an authentication bypass or disclose sensitive information.

For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"]. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"].

CVE-2026-20071 — ISE authenticaion Bypass (CVSS 3.1 3.8, CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N) CVE-2026-20072 — ISE information disclosure (CVSS 3.1 4.9, CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)

🎯 Affected products48

  • Cisco Identity Services Engine Software
  • 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 p10
  • 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
  • Cisco Identity Services Engine Software 3.3 Patch 11
  • Cisco Identity Services Engine Software 3.3 Patch 12
  • Cisco Identity Services Engine Software 3.3 Patch 2
  • Cisco Identity Services Engine Software 3.3 Patch 3
  • +18 more not shown

✅ Remediation

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

🔗 References (7)