The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent order for all federal agencies to patch a critical vulnerability, CVE-2026-20131, affecting Cisco Secure Firewall Management Center (FMC). The patch must be applied by Sunday, March 22, to mitigate risk of severe security breaches. This directive highlights the critical importance of rapid response to vulnerabilities within key infrastructure systems. Federal organizations must prioritize this update immediately to safeguard national security and prevent exploitation of this maximum-severity flaw.
