{"id":"CVE-2026-20131","vendor_project":"Cisco","product":"Secure Firewall Management Center (FMC)","vulnerability_name":"Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability","date_added":"2026-03-19","due_date":"2026-03-22","known_ransomware_use":"Known","short_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.","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","cwes":"CWE-502","cvss_version":"3.1","cvss_severity":"CRITICAL","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","nvd_published":"2026-03-04","nvd_status":"Analyzed","epss":0.33379,"epss_percentile":0.98303,"cvss_score":10,"days_published_to_kev":15,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-20131","by":"CyberMax"}