CVE-2021-39932

Name: CVE-2021-39932
Creator: NVD / NIST
Published: 2021-12-13T16:15:09.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-39932 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Using large payloads, the diff feature could be used to trigger high load time for users reviewing code changes.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Using large payloads, the diff feature could be used to trigger high load time for users reviewing code changes.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 11.0.0, < 14.3.6
Gitlab	Gitlab	>= 14.4.0, < 14.4.4
Gitlab	Gitlab	>= 14.5.0, < 14.5.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39932.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/217360Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39932.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/217360Broken Link

Timeline

Published: Dec 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39932?

How severe is CVE-2021-39932?

CVE-2021-39932 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39932?

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-2021-39932?

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

Scan your code now

Source: NVD / NIST