CVE-2022-28749: Zoom On-Premise Meeting Connector Multimedia Router

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Zooms On-Premise Meeting Connector MMR before version 4.8.113.20220526 fails to properly check the permissions of a Zoom meeting attendee. As a result, a threat actor in the Zooms waiting room can join the meeting without the consent of the host.

Affected products

• Zoom On-Premise Meeting Connector Multimedia Router: version 4.8.113.20220526 only

Published 2022-06-15. Last modified 2026-06-17.