Zoom On-Premise Deployments: Improper Access Control

  • ZSB-22014
  • CVE-2022-28753 CVE-2022-28754
  • High
  • 7.1
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.

For Zoom On-Premise Deployments, IT administrators can help keep their Zoom software up-to-date by following this: https://support.zoom.us/hc/en-us/articles/360043960031

  • Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714

Reported by Zoom Offensive Security Team

Revision Date Description
1.0 08/09/2022

Initial Publication