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Cisco patched a critical Unified CM flaw with public PoC code that allows unauthenticated attackers to launch SSRF attacks remotely. Cisco has addressed a high-severity vulnerability, tracked as CVE-2026-20230, affecting Unified CM and Unified CM SME. The flaw, caused by improper validation of certain HTTP requests, allows a remote attacker without authentication to perform server-side […]

More from Security Affairs 5 Jun 2026, 1:10 a.m. Incident · 6 stories Actively exploited CVE-2026-20230 Authentication Cisco CVE Exploit Flaw Patch PoC Unauthenticated Vulnerability

Cisco has released updates to address a critical security flaw in the Integrated Management Controller (IMC) that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system with elevated privileges

More from The Hacker News 3 Apr 2026, 4:21 a.m. Authentication Bypass Cisco Compromise CVE Flaw Patch Unauthenticated Vulnerability