Mitel OpenScape Users Urged to Update Now

Summary: Mitel has issued a security advisory for high-severity vulnerabilities in their OpenScape 4000 and OpenScape 4000 Manager platforms. The vulnerabilities, CVE-2025-23093 and CVE-2025-23094, could allow unauthorized access and control of systems, prompting Mitel to recommend immediate updates or temporary mitigations. Fixes have been released, and customers are encouraged to apply them promptly to avoid potential exploitation.

Affected: Mitel OpenScape 4000 and OpenScape 4000 Manager platforms

Keypoints :

• Two vulnerabilities identified: CVE-2025-23093 (privilege escalation) and CVE-2025-23094 (command injection).
• Exploitation together amplifies impact significantly.
• Mitel released patches and recommends updates to specific versions for security.
• Temporary mitigations are available for customers unable to upgrade immediately.