CVE-2023-22881

Name: CVE-2023-22881
Creator: NVD / NIST
Published: 2023-03-16T21:15:12.97+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2023-22881 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Zoom	Zoom	< 5.13.5

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: Mar 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22881?

How severe is CVE-2023-22881?

CVE-2023-22881 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22881?

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-2023-22881?

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

Scan your code now

Source: NVD / NIST