CVE-2026-20316

exploitation · critical · Evidence score 90

Vendor

Cisco

Affected software

Cisco Secure Firewall Management Center (FMC)

Exploitation signal

Listed in CISA Known Exploited Vulnerabilities

EPSS

0.00788

Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of hard-coded password vulnerability that could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems.