Three Strikes on the Firewall Management Plane: Cisco FMC Logs Its Third CISA KEV of 2026
Federal agencies have until the end of today, September 12, 2026, to remediate CVE-2026-20079, a critical authentication bypass vulnerability in the Cisco Secure Firewall Management Center (FMC). With a CVSS score of 10.0, the flaw allows an unauthenticated remote attacker to execute scripts and gain root access to the management interface. The vulnerability stems from…