CVE-2021-39936: Medium severity gitlab vulnerability

Published Dec 13, 2021
·
Updated

Improper access control in GitLab CE/EE affecting all versions starting from 10.7 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 attacker in possession of a deploy token to access a project's disabled wiki.

Affected Software

6 affected components
GitLab GitLab>=10.7.0<14.3.6
GitLab GitLab>=10.7.0<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-2021-39936?

CVE-2021-39936 has a moderate severity level due to improper access control that allows unauthorized access to disabled wikis.

2

How do I fix CVE-2021-39936?

To fix CVE-2021-39936, update GitLab to version 14.3.6 or later, 14.4.4 or later, or 14.5.2 or later depending on your current version.

3

Which versions are affected by CVE-2021-39936?

CVE-2021-39936 affects all versions of GitLab CE/EE from 10.7 to before 14.3.6, from 14.4 to before 14.4.4, and from 14.5 to before 14.5.2.

4

Who can exploit CVE-2021-39936?

An attacker in possession of a deploy token can exploit CVE-2021-39936 to access a project’s disabled wiki.

5

What impact does CVE-2021-39936 have on GitLab security?

CVE-2021-39936 allows unauthorized access to sensitive project information, compromising the integrity and confidentiality of data.

Contact

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