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Critical Cisco Vulnerabilities - 20251106001

Overview

Cisco have released an advisory addressing multiple vulnerabilities in the Java Remote Method Invocation (RMI) process of Cisco Unified Contact Center Express (Unified CCX). Successful exploitation could allow an unauthenticated, remote attacker to upload arbitrary files, bypass authentication, execute arbitrary commands, and elevate privileges to root.

What is vulnerable?

Product(s) Affected Version(s) CVE CVSS Severity
Cisco Unified CCX All versions prior to 12.5 SU3 ES07
15.0 prior to 15.0 ES01
CVE-2025-20354
CVE-2025-20358
9.8
9.4
Critical

Recommendation

The WASOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):