CWE
863
Advisory Published
Updated

CVE-2021-39936

First published: Mon 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.

Credit: cve@gitlab.com

Affected SoftwareAffected VersionHow to fix
GitLab>=10.7.0<14.3.6
GitLab>=10.7.0<14.3.6
GitLab>=14.4.0<14.4.4
GitLab>=14.4.0<14.4.4
GitLab>=14.5.0<14.5.2
GitLab>=14.5.0<14.5.2

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Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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