Improper privilege management in Cisco Identity Services Engine (ISE) - CVE-2026-20287

 

Improper privilege management in Cisco Identity Services Engine (ISE) - CVE-2026-20287

Published: September 17, 2026


Vulnerability identifier: #VU150709
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20287
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise confidentiality, integrity, and availability.

The vulnerability exists due to improper privilege management in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) when managing privileges. A remote attacker can exploit the vulnerability to compromise confidentiality, integrity, and availability.


Affected software

Cisco Identity Services Engine (ISE)

How to mitigate CVE-2026-20287

Install security update from vendor's website.

Cisco Identity Services Engine (ISE) - addressed in versions 3.1 Patch 12, 3.2 Patch 11, 3.3 Patch 12, 3.4 Patch 7, 3.5 Patch 4

External References

Related Security Bulletins