Critical Cisco Vulnerability in Unified CM Grants Root Access via Static Credentials

Cisco has released security updates to address a maximum-severity security flaw in Unified Communications Manager Unified CM and Unified Communications Manager Session Management Edition Unified CM SME that could permit an attacker to login to a susceptible device as the root user, allowing them ...

CVE-2025-20309

CVE-2025-20309 affects Cisco Unified Communications Manager (Unified CM) and Unified CM Session Management Edition (Unified CM SME). The root cause is static, hardcoded root credentials that cannot be changed or deleted, enabling an unauthenticated, remote attacker to log in using the root accoun...

CVE-2025-20309 Cisco Unified Communications Manager Static SSH Credentials Vulnerability

A vulnerability in Cisco Unified Communications Manager Unified CM and Cisco Unified Communications Manager Session Management Edition Unified CM SME could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that...