CVE-2026-20230 Cisco UCM SSRF and Privilege Escalation Detection

Ankit Mehta@Secvyn

•updated Jun 29, 2026•0•0•2

This rule monitors Cisco Unified Communications Manager (UCM) environments for multiple stages of an attack chain, including potential Server-Side Request Forgery (SSRF) attempts against administrative interfaces, suspicious file modifications by service accounts, indicators of privilege escalation, and anomalous outbound network connections from core Cisco processes.