CVE-2021-27402: Mitel MiCollab

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

The SAS Admin portal of Mitel MiCollab before 9.2 FP2 could allow an unauthenticated attacker to access (view and modify) user data by injecting arbitrary directory paths due to improper URL validation, aka Directory Traversal.

Affected products

• Mitel MiCollab: before 9.2 (fixed in 9.2); version 9.2 only

Published 2021-08-13. Last modified 2026-06-17.