What is the severity of CVE-2021-39874?

CVE-2021-39874 is classified as a medium severity vulnerability.

How does CVE-2021-39874 impact GitLab users?

CVE-2021-39874 allows users to bypass two-factor authentication when using git commands.

Which versions of GitLab are affected by CVE-2021-39874?

CVE-2021-39874 affects all versions of GitLab CE/EE from 11.0 up to but not including 14.1.7 and also includes certain versions of 14.2 and 14.3.

How do I fix CVE-2021-39874?

To fix CVE-2021-39874, upgrade GitLab to a version that is 14.1.7 or later, 14.2.5 or later, or 14.3.1 or later.

Is two-factor authentication supported in GitLab after CVE-2021-39874?

Yes, two-factor authentication is supported in GitLab, but CVE-2021-39874 allows a bypass under certain conditions.

Vulnerability/
CVE-2021-39874

medium

4.3

4/10/2021

4/8/2024

CVE-2021-39874

First published: Mon Oct 04 2021(Updated: )

In all versions of GitLab CE/EE since version 11.0, the requirement to enforce 2FA is not honored when using git commands.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=11.0.0<14.1.7
GitLab	>=11.0.0<14.1.7
GitLab	>=14.2<14.2.5
GitLab	>=14.2<14.2.5
GitLab	>=14.3<14.3.1
GitLab	>=14.3<14.3.1

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Frequently Asked Questions

What is the severity of CVE-2021-39874?
CVE-2021-39874 is classified as a medium severity vulnerability.
How does CVE-2021-39874 impact GitLab users?
CVE-2021-39874 allows users to bypass two-factor authentication when using git commands.
Which versions of GitLab are affected by CVE-2021-39874?
CVE-2021-39874 affects all versions of GitLab CE/EE from 11.0 up to but not including 14.1.7 and also includes certain versions of 14.2 and 14.3.
How do I fix CVE-2021-39874?
To fix CVE-2021-39874, upgrade GitLab to a version that is 14.1.7 or later, 14.2.5 or later, or 14.3.1 or later.
Is two-factor authentication supported in GitLab after CVE-2021-39874?
Yes, two-factor authentication is supported in GitLab, but CVE-2021-39874 allows a bypass under certain conditions.

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Frequently Asked Questions

What is the severity of CVE-2021-39874?
CVE-2021-39874 is classified as a medium severity vulnerability.
How does CVE-2021-39874 impact GitLab users?
CVE-2021-39874 allows users to bypass two-factor authentication when using git commands.
Which versions of GitLab are affected by CVE-2021-39874?
CVE-2021-39874 affects all versions of GitLab CE/EE from 11.0 up to but not including 14.1.7 and also includes certain versions of 14.2 and 14.3.
How do I fix CVE-2021-39874?
To fix CVE-2021-39874, upgrade GitLab to a version that is 14.1.7 or later, 14.2.5 or later, or 14.3.1 or later.
Is two-factor authentication supported in GitLab after CVE-2021-39874?
Yes, two-factor authentication is supported in GitLab, but CVE-2021-39874 allows a bypass under certain conditions.