CISA Orders Feds to Patch Max-Severity Cisco Flaw by Sunday

CISA orders feds to patch max-severity Cisco flaw by Sunday

The Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch a maximum-severity vulnerability, CVE-2026-20131, in Cisco Secure Firewall Management Center (FMC) by Sunday, March 22.

WARNING❗️CISA Issues Emergency Directive For Critical Cisco Firewall Flaw Under Active Exploitation | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware - National Cyber Security Consulting

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 …

Critical Cisco Firewall Vulnerability Triggers CISA Warning Amid Ransomware Surge

The Cybersecurity and Infrastructure Security Agency (CISA) has raised alarms regarding a severe vulnerability in Cisco firewall products, cataloged as CVE-2026-20131. On March 19, 2026, CISA added this critical flaw to its Known Exploited Vulnerabilities (KEV) catalog, confirming that it is being actively exploited in ransomware attacks across various sectors. This development underscores the urgent need for organizations utilizing Cisco’s fire…

Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)

A critical vulnerability (CVE-2026-20131) in Cisco Secure Firewall Management Center (FMC) that Cisco disclosed and patched in early March 2026 has been exploited as a zero-day by the Interlock ransomware gang, Amazon CISO and VP of Security Engineering CJ Moses revealed. “Our research [using Amazon’s MadPot system of honeypots] found that Interlock was exploiting this vulnerability 36 days before its public disclosure, beginning January 26, 202…