What is CVE-2023-5831?

CVE-2023-5831 is a vulnerability in GitLab CE/EE that allows unauthorized actors to access sensitive information.

What versions of GitLab are affected by CVE-2023-5831?

GitLab versions starting from 16.0 before 16.3.6, starting from 16.4 before 16.4.2, and starting from 16.5.0 before 16.5.1 (with the `super_sidebar_logged_out` feature flag enabled) are affected by CVE-2023-5831.

How severe is CVE-2023-5831?

CVE-2023-5831 has a severity rating of medium with a CVSS score of 5.3.

How can I fix CVE-2023-5831?

To fix CVE-2023-5831, it is recommended to upgrade GitLab to version 16.3.6, 16.4.2, or 16.5.1 or higher, and disable the `super_sidebar_logged_out` feature flag.

Where can I find more information about CVE-2023-5831?

More information about CVE-2023-5831 can be found at the following reference link: [CVE-2023-5831](https://gitlab.com/gitlab-org/gitlab/-/issues/428919).

Vulnerability/
CVE-2023-5831

medium

5.3

CWE

200

EPSS

0.046%

6/11/2023

14/11/2023

CVE-2023-5831: Exposure of Sensitive Information to an Unauthorized Actor in GitLab

First published: Mon Nov 06 2023(Updated: )

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
Gitlab Gitlab	>=16.0.0<16.3.6
Gitlab Gitlab	>=16.0.0<16.3.6
Gitlab Gitlab	>=16.4.0<16.4.2
Gitlab Gitlab	>=16.4.0<16.4.2
Gitlab Gitlab	=16.5.0
Gitlab Gitlab	=16.5.0

Never miss a vulnerability like this again

Reference Links

https://gitlab.com/gitlab-org/gitlab/-/issues/428919

Frequently Asked Questions

What is CVE-2023-5831?
CVE-2023-5831 is a vulnerability in GitLab CE/EE that allows unauthorized actors to access sensitive information.
What versions of GitLab are affected by CVE-2023-5831?
GitLab versions starting from 16.0 before 16.3.6, starting from 16.4 before 16.4.2, and starting from 16.5.0 before 16.5.1 (with the `super_sidebar_logged_out` feature flag enabled) are affected by CVE-2023-5831.
How severe is CVE-2023-5831?
CVE-2023-5831 has a severity rating of medium with a CVSS score of 5.3.
How can I fix CVE-2023-5831?
To fix CVE-2023-5831, it is recommended to upgrade GitLab to version 16.3.6, 16.4.2, or 16.5.1 or higher, and disable the `super_sidebar_logged_out` feature flag.
Where can I find more information about CVE-2023-5831?
More information about CVE-2023-5831 can be found at the following reference link: [CVE-2023-5831](https://gitlab.com/gitlab-org/gitlab/-/issues/428919).

agent/author
agent/description
agent/epss
agent/event
agent/first-publish-date
agent/last-modified-date
agent/references
agent/remedy
agent/severity
agent/softwarecombine
agent/tags
agent/title
agent/type
agent/weakness
collector/epss-latest
source/FIRST
collector/mitre-cve
collector/nvd-api
vendor/gitlab
canonical/gitlab gitlab
version/gitlab gitlab/16.0.0
version/gitlab gitlab/16.4.0
version/gitlab gitlab/16.5.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.