SB2026030443 - Authentication bypass in Cisco Secure Firewall Management Center



SB2026030443 - Authentication bypass in Cisco Secure Firewall Management Center

Published: March 4, 2026

Security Bulletin ID SB2026030443
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2026-20079)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an improper system process that is created at boot time. A remote non-authenticated attacker can bypass authentication process in the web interface and execute arbitrary code on the system with root privileges. 


Remediation

Install update from vendor's website.