Vulnerability · Published Sep 27, 2021 · Assigned by Zoom
CVE-2021-34409Zoom Client Installer Local Privilege Escalation
High 7.8
In plain English
A high-severity security flaw in Zoom Client for Meetings for MacOS (Standard and for IT Admin) from Zoom Video Communications Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zoom Video Communications Inc | Zoom Client for Meetings for MacOS (Standard and for IT Admin) | unspecified – before 5.2.0 |
| Zoom Video Communications Inc | Zoom Client Plugin for Sharing iPhone/iPad | unspecified – before 5.2.0 |
| Zoom Video Communications Inc | Zoom Rooms for Conference | unspecified – before 5.1.0 |
References
- https://explore.zoom.us/en/trust/security/security-bulletin x_refsource_MISC