CVE-2022-36453: Mitel MiCollab

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability in the MiCollab Client API of Mitel MiCollab 9.1.3 through 9.5.0.101 could allow an authenticated attacker to modify their profile parameters due to improper authorization controls. A successful exploit could allow the authenticated attacker to control another extension number.

Affected products

• Mitel MiCollab: from 9.1.3, up to and including 9.5.0.101

Published 2022-10-25. Last modified 2026-06-17.