CVE-2021-34413

HIGH

Zoom Plugin for Microsoft Outlook for macOS < 5.3.52553.0918 - Privilege Escalation via TOC/TOU Race Condition

Title source: llm
STIX 2.1

Description

All versions of the Zoom Plugin for Microsoft Outlook for MacOS before 5.3.52553.0918 contain a Time-of-check Time-of-use (TOC/TOU) vulnerability during the plugin installation process. This could allow a standard user to write their own malicious application to the plugin directory, allowing the malicious application to execute in a privileged context.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0040
EPSS Percentile 60.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-367
Status published
Products (1)
zoom/zoom_plugin_for_microsoft_outlook < 5.3.52553.0918
Published Sep 27, 2021
Tracked Since Feb 18, 2026