CVE-CVE-2026-20131
Severity
CRITICAL
CVSS Score
10.0
Description
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 insecure deserialization of a user-supplied Java byte stream. An attacker could exploit this vulnerability by sending a crafted serialized Java object to the web-based management interface of an affected device. A successful exploit could al...
PoCs for CVE-CVE-2026-20131
CVE-2026-20131-Post-Incident-Written-Report
Deserialization
0
Jwa7470
2026-08-28