What is CVE-2021-34408?

CVE-2021-34408 is a high-severity vulnerability in Zoom Meetings, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2021-09-27.

How severe is CVE-2021-34408?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-34408 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zoom Meetings

CVE-2021-34408

The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege esca…

EPSS: 0.004 (35.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zoom Meetings
N/a Zoom Client For Meetings Windows — versions All versions of the Zoom Client for Meetings for Windows before version 5.3.2

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

Public proof-of-concept exploits

Farrhouq/Inpt-report

References

security@zoom.us (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34408?: CVE-2021-34408 is a high-severity vulnerability in Zoom Meetings, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2021-09-27.
How severe is CVE-2021-34408?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-34408 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.