cisco-sa-ise-cmd-inj-e2CuZCYZCriticalCVSS 9.1

Cisco Identity Services Engine Command Injection Vulnerabilities

Published
September 16, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (2)

📋 Description

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform command injection attacks on an affected device and execute arbitrary commands as the root user. To exploit these vulnerabilities, the attacker must have valid administrative credentials.

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-2026-20305 — Cisco Identity Services Engine Command Injection Vulnerability (CVSS 3.1 9.1, CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) CVE-2026-20306 — Cisco Identity Services Engine Command Injection Vulnerability (CVSS 3.1 9.1, CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)

🎯 Affected products52

  • 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 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
  • +22 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)