Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access

Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center FMC Software. The vulnerability in question is CVE-2026-20131 CVSS score: 10.0, a case of insecure...

Exploit for CVE-2026-20131

CVE-2026-20131 — Cisco FMC Insecure Java Deserialization RCE...

CVE-2026-20131

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...