SB2026110920 - Improper Authorization in Cisco Identity Services Engine and ISE Passive Identity Connector
Published: November 9, 2026
Security Bulletin ID
SB2026110920
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authorization (CVE-ID: CVE-2026-20241)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.