What is the severity of CVE-2021-22203?

CVE-2021-22203 is considered a high-severity vulnerability due to the potential for unauthorized file access on the server.

How do I fix CVE-2021-22203?

To fix CVE-2021-22203, upgrade GitLab to versions 13.8.7, 13.9.5, or 13.10.1 or later.

What types of files can be accessed due to CVE-2021-22203?

CVE-2021-22203 allows attackers to read arbitrary files on the server through a specially crafted Wiki page.

Which versions of GitLab are affected by CVE-2021-22203?

CVE-2021-22203 affects GitLab CE/EE versions from 13.7.9 before 13.8.7, 13.9 before 13.9.5, and 13.10 before 13.10.1.

Is my GitLab instance vulnerable if using the latest version?

No, if you are using GitLab versions 13.8.7, 13.9.5, or 13.10.1 and above, then your instance is not vulnerable to CVE-2021-22203.

Vulnerability/
CVE-2021-22203

critical

9.8

2/4/2021

3/8/2024

CVE-2021-22203

First published: Fri Apr 02 2021(Updated: )

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7.9 before 13.8.7, all versions starting from 13.9 before 13.9.5, and all versions starting from 13.10 before 13.10.1. A specially crafted Wiki page allowed attackers to read arbitrary files on the server.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=13.7.9<13.8.7
GitLab	>=13.7.9<13.8.7
GitLab	>=13.9.0<13.9.5
GitLab	>=13.9.0<13.9.5
GitLab	=13.10.0
GitLab	=13.10.0

Remedy

https://gitlab.com/gitlab-org/gitlab/-/issues/320919

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-22203?
CVE-2021-22203 is considered a high-severity vulnerability due to the potential for unauthorized file access on the server.
How do I fix CVE-2021-22203?
To fix CVE-2021-22203, upgrade GitLab to versions 13.8.7, 13.9.5, or 13.10.1 or later.
What types of files can be accessed due to CVE-2021-22203?
CVE-2021-22203 allows attackers to read arbitrary files on the server through a specially crafted Wiki page.
Which versions of GitLab are affected by CVE-2021-22203?
CVE-2021-22203 affects GitLab CE/EE versions from 13.7.9 before 13.8.7, 13.9 before 13.9.5, and 13.10 before 13.10.1.
Is my GitLab instance vulnerable if using the latest version?
No, if you are using GitLab versions 13.8.7, 13.9.5, or 13.10.1 and above, then your instance is not vulnerable to CVE-2021-22203.

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agent/references
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collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/gitlab
canonical/gitlab
version/gitlab/13.7.9
version/gitlab/13.9.0
version/gitlab/13.10.0

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Contact

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Frequently Asked Questions

What is the severity of CVE-2021-22203?
CVE-2021-22203 is considered a high-severity vulnerability due to the potential for unauthorized file access on the server.
How do I fix CVE-2021-22203?
To fix CVE-2021-22203, upgrade GitLab to versions 13.8.7, 13.9.5, or 13.10.1 or later.
What types of files can be accessed due to CVE-2021-22203?
CVE-2021-22203 allows attackers to read arbitrary files on the server through a specially crafted Wiki page.
Which versions of GitLab are affected by CVE-2021-22203?
CVE-2021-22203 affects GitLab CE/EE versions from 13.7.9 before 13.8.7, 13.9 before 13.9.5, and 13.10 before 13.10.1.
Is my GitLab instance vulnerable if using the latest version?
No, if you are using GitLab versions 13.8.7, 13.9.5, or 13.10.1 and above, then your instance is not vulnerable to CVE-2021-22203.