CISA has issued an urgent alert warning organizations about a critical zero-day vulnerability in Cisco Secure Firewall Management Center (FMC) and Cisco Security Cloud Control that is actively exploited in ransomware attacks. Tracked as CVE-2026-20131, the flaw has been added to CISA’s Known Exploited Vulnerabilities (KEV) catalog on March 19, 2026, confirming active in-the-wild exploitation. […] The post CISA Warns of Cisco Firewall 0-Day Exploited in Ransomware Attacks appeared first on Cyber Security News.