CVE-2021-39945: Medium severity gitlab vulnerability

Published Dec 13, 2021
·
Updated

Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked

Affected Software

6 affected components
GitLab GitLab>=9.4.0<14.3.6
GitLab GitLab>=9.4.0<14.3.6
GitLab GitLab>=14.4.0<14.4.4
GitLab GitLab>=14.4.0<14.4.4
GitLab GitLab>=14.5.0<14.5.2
GitLab GitLab>=14.5.0<14.5.2

Event History

Dec 13, 2021
CVE Published
via MITRE·03:47 PM
Data Sourced
via MITRE·03:47 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-39945?

CVE-2021-39945 has been classified with a high severity rating due to its potential impact on access control within the GitLab API.

2

How do I fix CVE-2021-39945?

To remediate CVE-2021-39945, upgrade your GitLab installation to version 14.3.6 or later, 14.4.4 or later, or 14.5.2 or later.

3

What versions are affected by CVE-2021-39945?

CVE-2021-39945 affects all GitLab CE and EE versions starting from 9.4 up to prior versions of 14.3.6, 14.4.4, and 14.5.2.

4

What type of vulnerability is CVE-2021-39945?

CVE-2021-39945 is an improper access control vulnerability allowing unauthorized approval of Merge Requests by project authors.

5

Who is impacted by CVE-2021-39945?

Users of GitLab CE and EE who utilize the API and who have versions within the specified range are impacted by CVE-2021-39945.

Contact

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