CVE-2021-34409: Zoom Client Installer Local Privilege Escalation
It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-34409?
CVE-2021-34409 is a vulnerability found in the installation packages of Zoom Client for Meetings for MacOS, Zoom Client Plugin for Sharing iPhone/iPad, and Zoom Rooms for Conference.
How does CVE-2021-34409 affect Zoom?
CVE-2021-34409 affects Zoom by allowing unauthorized copying of pre- and post-installation files during installation.
Which versions of Zoom are affected by CVE-2021-34409?
Zoom Client for Meetings for MacOS version before 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad version before 5.2.0, and Zoom Rooms for Conference version before 5.1.0 are affected by CVE-2021-34409.
What is the severity rating of CVE-2021-34409?
CVE-2021-34409 has a severity rating of 7.8 (High).
How can I fix CVE-2021-34409?
To fix CVE-2021-34409, make sure to update Zoom Client for Meetings for MacOS, Zoom Client Plugin for Sharing iPhone/iPad, and Zoom Rooms for Conference to the respective versions 5.2.0 and 5.1.0 or later.