What is the severity of CVE-2021-39896?

CVE-2021-39896 is considered a medium severity vulnerability due to its potential for repudiation issues.

How do I fix CVE-2021-39896?

To fix CVE-2021-39896, upgrade your GitLab installation to version 14.1.8 or later, 14.2.6 or later, or 14.3.2 or later.

What versions are affected by CVE-2021-39896?

CVE-2021-39896 affects all versions of GitLab CE/EE from 8.0 up to and including 14.3.1.

What is the impact of CVE-2021-39896?

The impact of CVE-2021-39896 can lead to an administrator inadvertently remaining logged in as a different user, which could result in unauthorized actions.

Who is affected by CVE-2021-39896?

Administrators of GitLab CE/EE installations are primarily affected by CVE-2021-39896 if they use the impersonate feature.

Vulnerability/
CVE-2021-39896

medium

5.5

4/10/2021

4/8/2024

CVE-2021-39896

First published: Mon Oct 04 2021(Updated: )

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=8.0.0<14.1.7
GitLab	>=8.0.0<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-2021-39896?
CVE-2021-39896 is considered a medium severity vulnerability due to its potential for repudiation issues.
How do I fix CVE-2021-39896?
To fix CVE-2021-39896, upgrade your GitLab installation to version 14.1.8 or later, 14.2.6 or later, or 14.3.2 or later.
What versions are affected by CVE-2021-39896?
CVE-2021-39896 affects all versions of GitLab CE/EE from 8.0 up to and including 14.3.1.
What is the impact of CVE-2021-39896?
The impact of CVE-2021-39896 can lead to an administrator inadvertently remaining logged in as a different user, which could result in unauthorized actions.
Who is affected by CVE-2021-39896?
Administrators of GitLab CE/EE installations are primarily affected by CVE-2021-39896 if they use the impersonate feature.

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agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
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canonical/gitlab
version/gitlab/8.0.0
version/gitlab/14.2
version/gitlab/14.3

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Frequently Asked Questions

What is the severity of CVE-2021-39896?
CVE-2021-39896 is considered a medium severity vulnerability due to its potential for repudiation issues.
How do I fix CVE-2021-39896?
To fix CVE-2021-39896, upgrade your GitLab installation to version 14.1.8 or later, 14.2.6 or later, or 14.3.2 or later.
What versions are affected by CVE-2021-39896?
CVE-2021-39896 affects all versions of GitLab CE/EE from 8.0 up to and including 14.3.1.
What is the impact of CVE-2021-39896?
The impact of CVE-2021-39896 can lead to an administrator inadvertently remaining logged in as a different user, which could result in unauthorized actions.
Who is affected by CVE-2021-39896?
Administrators of GitLab CE/EE installations are primarily affected by CVE-2021-39896 if they use the impersonate feature.