Improper Authorization in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) - CVE-2026-20241
Published: November 9, 2026
Vulnerability identifier: #VU162560
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20241
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper authorization in the authorization mechanism. A remote attacker can send a specially crafted request and bypass authorization to obtain an endpoint certificate.
Affected software
Cisco Identity Services Engine (ISE)
ISE Passive Identity Connector (ISE-PIC)
ISE Passive Identity Connector (ISE-PIC)
How to mitigate CVE-2026-20241
Install updates 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
ISE Passive Identity Connector (ISE-PIC) - addressed in versions 3.1 Patch 12, 3.2 Patch 11, 3.3 Patch 12, 3.4 Patch 7
ISE Passive Identity Connector (ISE-PIC) - addressed in versions 3.1 Patch 12, 3.2 Patch 11, 3.3 Patch 12, 3.4 Patch 7