CVE-2021-39904: Medium severity GitLab GitLab vulnerability

Published Nov 4, 2021
·
Updated

An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply suggestions after a project owner has locked the Merge Request

Affected Software

6 affected components
GitLab GitLab>=13.1.0<14.2.6
GitLab GitLab>=13.1.0<14.2.6
GitLab GitLab>=14.3.0<14.3.4
GitLab GitLab>=14.3.0<14.3.4
GitLab Gitlab Community=14.4.0
GitLab Gitlab Enterprise=14.4.0

Event History

Nov 4, 2021
CVE Published
via MITRE·11:13 PM
Data Sourced
via MITRE·11:13 PM
DescriptionSeverityWeakness
Nov 5, 2021
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2021-39904?

CVE-2021-39904 has a medium severity rating due to improper access control in the GitLab API.

2

How do I fix CVE-2021-39904?

To fix CVE-2021-39904, upgrade GitLab to version 14.2.6 or later, or to version 14.3.4 or later, or to version 14.4.1 or later.

3

Which versions of GitLab are affected by CVE-2021-39904?

CVE-2021-39904 affects GitLab CE/EE versions from 13.1 up to but not including 14.2.6, and versions from 14.3 up to but not including 14.3.4 and 14.4.0.

4

What type of vulnerability is CVE-2021-39904?

CVE-2021-39904 is classified as an Improper Access Control vulnerability.

5

Who can exploit CVE-2021-39904?

CVE-2021-39904 can be exploited by any Merge Request creator who can resolve discussions and apply suggestions within GitLab.

Contact

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