Advisory Published

CVE-2021-34425: SSRF

First published: Tue Dec 14 2021(Updated: )

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.


Affected SoftwareAffected VersionHow to fix
Zoom Meetings<5.7.3
Apple iPhone OS
Apple macOS
Google Android
Linux Linux kernel
Microsoft Windows

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Frequently Asked Questions

  • What is CVE-2021-34425?

    CVE-2021-34425 is a server side request forgery vulnerability in the chat's "link preview" functionality in Zoom Client for Meetings.

  • Which versions of Zoom Client for Meetings are affected by CVE-2021-34425?

    Zoom Client for Meetings versions before 5.7.3 are affected by CVE-2021-34425.

  • What is the severity level of CVE-2021-34425?

    CVE-2021-34425 has a severity level of 6.1 (medium).

  • How can I fix CVE-2021-34425?

    To fix CVE-2021-34425, update Zoom Client for Meetings to version 5.7.3 or later.

  • Where can I find more information about CVE-2021-34425?

    You can find more information about CVE-2021-34425 at the following link: [](


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