CVE-2021-34409

Zoom Client Installer Local Privilege Escalation

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory zoom.us
Affected: Zoom Video Communications Inc Zoom Client for Meetings for MacOS (Standard and for IT Admin)
Affected: Zoom Video Communications Inc Zoom Client Plugin for Sharing iPhone/iPad
Affected: Zoom Video Communications Inc Zoom Rooms for Conference
Published at:
Updated at:

References

Link Tags
https://explore.zoom.us/en/trust/security/security-bulletin vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34409?
CVE-2021-34409 has been scored as a high severity vulnerability.
How to fix CVE-2021-34409?
To fix CVE-2021-34409, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34409 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34409 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34409?
CVE-2021-34409 affects Zoom Video Communications Inc Zoom Client for Meetings for MacOS (Standard and for IT Admin), Zoom Video Communications Inc Zoom Client Plugin for Sharing iPhone/iPad, Zoom Video Communications Inc Zoom Rooms for Conference.
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