CVE-2021-34409

7.8 highEPSS 0.2%

High (7.8) in zoom. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2021-09-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zoom:meetings
zoom:rooms
zoom:screen_sharing

References

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