What is the severity of CVE-2021-39894?

CVE-2021-39894 is classified as a high severity vulnerability due to its ability to facilitate Server Side Request Forgery attacks.

How do I fix CVE-2021-39894?

To remediate CVE-2021-39894, upgrade GitLab to versions 14.1.8, 14.2.6, or 14.3.1 or later.

What versions of GitLab are affected by CVE-2021-39894?

CVE-2021-39894 affects all versions of GitLab CE/EE from version 8.0 up to but not including 14.1.8, 14.2.6, and 14.3.1.

Can CVE-2021-39894 be exploited remotely?

Yes, CVE-2021-39894 can be exploited remotely if an attacker sends specially crafted DNS requests.

What type of attacks can CVE-2021-39894 enable?

CVE-2021-39894 can enable Server Side Request Forgery (SSRF) attacks that may lead to information disclosure or unauthorized actions.

Vulnerability/
CVE-2021-39894

medium

5.5

CWE

918

5/10/2021

4/8/2024

CVE-2021-39894: SSRF

First published: Tue Oct 05 2021(Updated: )

In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.

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	>=14.2.0<14.2.5
GitLab	>=14.2.0<14.2.5
GitLab	=14.3.0
GitLab	=14.3.0

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Frequently Asked Questions

What is the severity of CVE-2021-39894?
CVE-2021-39894 is classified as a high severity vulnerability due to its ability to facilitate Server Side Request Forgery attacks.
How do I fix CVE-2021-39894?
To remediate CVE-2021-39894, upgrade GitLab to versions 14.1.8, 14.2.6, or 14.3.1 or later.
What versions of GitLab are affected by CVE-2021-39894?
CVE-2021-39894 affects all versions of GitLab CE/EE from version 8.0 up to but not including 14.1.8, 14.2.6, and 14.3.1.
Can CVE-2021-39894 be exploited remotely?
Yes, CVE-2021-39894 can be exploited remotely if an attacker sends specially crafted DNS requests.
What type of attacks can CVE-2021-39894 enable?
CVE-2021-39894 can enable Server Side Request Forgery (SSRF) attacks that may lead to information disclosure or unauthorized actions.

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agent/author
agent/softwarecombine
agent/description
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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/8.0.0
version/gitlab/14.2.0
version/gitlab/14.3.0

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Frequently Asked Questions

What is the severity of CVE-2021-39894?
CVE-2021-39894 is classified as a high severity vulnerability due to its ability to facilitate Server Side Request Forgery attacks.
How do I fix CVE-2021-39894?
To remediate CVE-2021-39894, upgrade GitLab to versions 14.1.8, 14.2.6, or 14.3.1 or later.
What versions of GitLab are affected by CVE-2021-39894?
CVE-2021-39894 affects all versions of GitLab CE/EE from version 8.0 up to but not including 14.1.8, 14.2.6, and 14.3.1.
Can CVE-2021-39894 be exploited remotely?
Yes, CVE-2021-39894 can be exploited remotely if an attacker sends specially crafted DNS requests.
What type of attacks can CVE-2021-39894 enable?
CVE-2021-39894 can enable Server Side Request Forgery (SSRF) attacks that may lead to information disclosure or unauthorized actions.