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6.1
CVE-2021-34425: The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In v...
CVE-2021-34425 · published 4 years ago
Summary
The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In versions prior to 5.7.3, if a user were to enable the chat\'s "link preview" feature, a malicious actor ...
What to do
- Update zoom meetings to version 5.7.3 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| zoom | meetings |
< 5.7.3 cpe:2.3:a:zoom:meetings:*:*:*:*:*:*:*:* |
Original advisory text
The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In v...
The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In versions prior to 5.7.3, if a user were to enable the chat\'s "link preview" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.
References
- https://explore.zoom.us/en/trust/security/security-bulletin Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-918Server-Side Request Forgery (SSRF)
Timeline
Published14 Dec 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-34425 · NVD
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