CVE-2020-11797: Mitel MiCollab Audio, Web & Video Conferencing

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

An Authentication Bypass vulnerability in the Published Area of the web conferencing component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an unauthenticated attacker to gain access to unauthorized information due to insufficient access validation. A successful exploit could allow an attacker to access sensitive shared files.

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 2020-08-26. Last modified 2026-06-17.