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.

Vulnerability/
CVE-2021-34409

high

7.8

CWE

732

27/9/2021

16/9/2024

CVE-2021-34409: Zoom Client Installer Local Privilege Escalation

First published: Mon Sep 27 2021(Updated: )

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.

Credit: security@zoom.us

Affected Software	Affected Version	How to fix
Zoom Meetings	<5.2.0
Zoom Rooms	<5.1.0
Zoom Screen Sharing	<5.2.0
Zoom Screen Sharing	<5.2.0

Never miss a vulnerability like this again

Reference Links

https://explore.zoom.us/en/trust/security/security-bulletin

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.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/weakness
agent/severity
agent/references
agent/title
agent/author
agent/last-modified-date
agent/description
agent/first-publish-date
agent/tags
agent/event
vendor/zoom
canonical/zoom meetings
canonical/zoom rooms
canonical/zoom screen sharing

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.