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

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

Ravie LakshmananMar 18, 2026Network Security / Ransomware 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 deserialization of user-supplied Java byte stream, which could…

FreePBX Servers Targeted by Zero-Day

FreePBX Servers Targeted by Zero-Day Flaw, Emergency Patch Now Available

Aug 29, 2025Ravie LakshmananZero-Day / Vulnerability The Sangoma FreePBX Security Team has issued an advisory warning about an actively exploited FreePBX zero-day vulnerability that impacts systems with an administrator control panel (ACP) exposed to the public internet. FreePBX is an open-source private branch exchange (PBX) platform widely used by businesses, call centers, and service providers…