{"cvss":0.0,"datePublished":"2026-03-18T00:00:00Z","dateUpdated":"2026-03-18T00:00:00Z","description":"Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain a deserialization of untrusted data vulnerability in the web-based management interface that could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device.","dueDate":"2026-03-22T00:00:00Z","id":"CVE-2026-20131","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Known","product":"Secure Firewall Management Center (FMC)","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"CRITICAL","source":"vulncheck_kev","title":"Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability","vendor":"Cisco"}