CVE-2026-20131 Cisco Cisco Secure Firewall Management Center…
A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device. This vulnerability is due to…
- CVSS
- 10.0 Critical
- EPSS
- 44%
- Percentile
- 99
- Published
- 2026-03-04
- Force
- 11 of 12
- Public PoC
- 6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
On CISA’s exploited list
Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability
- Added
- 2026-03-19
- Federal patch deadline
- 2026-03-22
- Ransomware use
- known