Cisco FMC static credential vulnerability exploited as a zero-day

A static credential vulnerability in Cisco Secure Firewall Management Center (FMC) Software allows unauthenticated remote attackers to log in with a low-privileged account and access sensitive data. Rated as High severity, the vulnerability is particularly dangerous because it can be combined with other FMC vulnerabilities to escalate privileges. Cisco has released software updates to address the flaw, with no workarounds available.