Successful low-privileged login to Cisco FMC (CVE-2026-20316)

Ankit Mehta@Secvyn

•updated Sep 10, 2026•0•0•3

Detects successful authentication events to the Cisco Secure Firepower Management Center (FMC) web management interface involving low-privileged or read-only user accounts. This pattern is potentially associated with exploitation of vulnerabilities such as CVE-2026-20316, which may be leveraged for privilege escalation or unauthorized access.