WARNING❗️CISA Issues Emergency Directive For Critical Cisco Firewall Flaw Under Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive requiring federal agencies to remediate a critical vulnerability in Cisco firewall management systems by Sunday, March 22, underscoring growing concerns over active cyberattacks targeting government and enterprise infrastructure.

The vulnerability, tracked as CVE-2026-20131, affects Cisco’s Secure Firewall Management Center (FMC)—a widely deployed platform used to centrally manage enterprise security controls, including firewalls, intrusion detection systems, and malware defenses. Due to its central role in network security operations, compromise of FMC systems can provide attackers with extensive control over protected environments.

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