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CVE-2021-39903

MEDIUMCVSS 6.5/10EPSS 1.10%

Last modified

CVE-2021-39903 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.10%

61.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GitlabGitlab>= 13.0.0, < 14.2.6
GitlabGitlab>= 14.3.0, < 14.3.4
GitlabGitlab14.4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39903?
In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.
How severe is CVE-2021-39903?
CVE-2021-39903 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39903?
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-2021-39903?

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

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Source: NVD / NIST