CVE-2023-31458: Mitel MiVoice Connect

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability in the Edge Gateway component of Mitel MiVoice Connect versions 19.3 SP2 (22.24.1500.0) and earlier could allow an unauthenticated attacker with internal network access to authenticate with administrative privileges, because initial installation does not enforce a password change. A successful exploit could allow an attacker to make arbitrary configuration changes and execute arbitrary commands.

Affected products

• Mitel MiVoice Connect: up to and including 22.24.1500.0

Published 2023-05-24. Last modified 2026-06-17.