vulnerability
Zoom Zoom: CVE-2021-34420: Zoom Windows installation executable signature bypass
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Nov 9, 2021 | Jan 8, 2025 | Mar 25, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Nov 9, 2021
Added
Jan 8, 2025
Modified
Mar 25, 2026
Description
The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer.Zoom addressed this issue in the 5.5.4 Zoom Client for Meetings for Windows release. Users can help keep themselves secure by applying current updates or downloading the latest Zoom software with all current security updates fromhttps://zoom.us/download.
Solution
zoom-zoom-upgrade-latest
Rapid7 Labs
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