Dossier
Cisco Secure Firewall Management Center
Coverage of Cisco Secure Firewall Management Center in the Nexus archive.
- Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data
CISA added a zero-day vulnerability in Cisco Secure Firewall Management Center (FMC) Software to its KEV catalog due to active exploitation. The flaw, CVE-2026-20316 (CVSS score: 5.3), allows unauthenticated remote attackers to log in and potentially expose sensitive data.