CVE-2020-11798: Mitel MiCollab Audio, Web & Video Conferencing

Medium severity, CVSS 5.3. EPSS: 48.8% chance of exploitation in the next 30 days.

A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories.

Affected products

• Mitel MiCollab Audio, Web & Video Conferencing: before 8.1.2.4 (fixed in 8.1.2.4); from 9.0, before 9.1.3 (fixed in 9.1.3)

Published 2020-06-10. Last modified 2026-06-17.