CVE-2026-20079: Cisco Firewall Management Center Authentication Bypass
Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability. Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication Bypass using an alternate path or channel vulnerability that could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system.
- CISA KEV-listed (remediation due 2026-09-12)
- EPSS 88.5% (99.8% percentile)
- CVSS 10 critical