What is CVE-2021-34413?

CVE-2021-34413 is a high-severity vulnerability in Zoom Zoom_plugin_for_microsoft_outlook, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2021-09-27.

How severe is CVE-2021-34413?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Zoom Zoom_plugin_for_microsoft_outlook

CVE-2021-34413

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 m…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.006 (42.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zoom Zoom_plugin_for_microsoft_outlook
N/a Zoom Plugin For Microsoft Outlook Macos — versions All versions before 5.3.52553.0918

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

security@zoom.us (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34413?: CVE-2021-34413 is a high-severity vulnerability in Zoom Zoom_plugin_for_microsoft_outlook, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2021-09-27.
How severe is CVE-2021-34413?: High severity. CVSS v3 base score is 7.5 out of 10.