CVE-2021-34416: Zoom Meeting Connector

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

The network address administrative settings web portal for the Zoom on-premise Meeting Connector before version 4.6.360.20210325, Zoom on-premise Meeting Connector MMR before version 4.6.360.20210325, Zoom on-premise Recording Connector before version 3.8.44.20210326, Zoom on-premise Virtual Room Connector before version 4.4.6752.20210326, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network configuration, which could lead to remote command injection on the on-premise image by the web portal administrators.

Affected products

• Zoom Meeting Connector: before 4.6.360.20210325 (fixed in 4.6.360.20210325)
• Zoom Recording Connector: before 3.8.44.20210326 (fixed in 3.8.44.20210326)
• Zoom Virtual Room Connector: before 4.4.6752.20210326 (fixed in 4.4.6752.20210326)
• Zoom Virtual Room Connector Load Balancer: before 2.5.5495.20210326 (fixed in 2.5.5495.20210326)

Published 2021-09-27. Last modified 2026-06-17.