Zoom Clients - Improper Authentication

  • ZSB-23062
  • CVE-2023-49646
  • Medium
  • 5.4
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

 Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.

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.

  • Zoom Desktop Client for Windows before version 5.16.5
  • Zoom Desktop Client for macOS before version 5.16.5
  • Zoom Mobile App for iOS before version 5.16.5
  • Zoom Mobile App for Android before version 5.16.5
  • Zoom Desktop Client for Linux before version 5.16.5
  • Zoom VDI Client before version 5.16.5 (excluding 5.14.14 and 5.15.12)
  • Zoom SDKs before version 5.16.5

Reported by Zoom Offensive Security Team.

Revision Date Description
1.0 12/12/2023

Initial Publication