Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability
Cisco · Secure Firewall Management Center (FMC)
Date added (CISA)
2026-03-19
Remediation due
2026-03-22
Known ransomware use
Yes
Remediation priority
P1 — known ransomware use · past CISA due date
Related
Nothing linked yet
No threat actor or pipeline report has been cross-referenced against this CVE yet.
CVE-2026-20131: Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability · RaqibCTI