CVE-2023-34121

Name: CVE-2023-34121
Creator: NVD / NIST
Published: 2023-06-13T18:15:21.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2023-34121 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Zoom	Rooms	< 5.14.0
Zoom	Zoom	< 5.14.0
Zoom	Virtual Desktop Infrastructure	< 5.14.0

References

https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory

Timeline

Published: Jun 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34121?

How severe is CVE-2023-34121?

CVE-2023-34121 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34121?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34121?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST