Update package downgrade in Zoom Client for Meetings for Windows

  • ZSB-22008
  • CVE-2022-22786
  • High
  • 7.5
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

 

Users can help keep themselves secure by applying current updates or downloading the latest Zoom software with all current security updates from https://zoom.us/download.

  • All Zoom Client for Meetings for Windows before version 5.10.0
  • All Zoom Rooms for Conference Room for Windows before version 5.10.0

Reported by Ivan Fratric of Google Project Zero

Revision Date Description
1.0 05/17/2022

Initial Publication