What is the severity of CVE-2021-39867?

CVE-2021-39867 is classified as a high severity vulnerability due to its potential for Server Side Request Forgery (SSRF) attacks.

How do I fix CVE-2021-39867?

To mitigate CVE-2021-39867, upgrade to GitLab versions 14.2.5 or later, or to versions 14.1.7 or later.

What versions of GitLab are affected by CVE-2021-39867?

CVE-2021-39867 affects all versions of GitLab CE/EE from 8.15.0 to 14.1.7 and from 14.2.0 to 14.2.5.

What type of vulnerability is CVE-2021-39867?

CVE-2021-39867 is a DNS rebinding vulnerability that can lead to Server Side Request Forgery (SSRF) attacks.

What components are involved in CVE-2021-39867?

CVE-2021-39867 specifically involves the Gitea Importer feature within GitLab.

Vulnerability/
CVE-2021-39867

high

8.1

CWE

918

5/10/2021

4/8/2024

CVE-2021-39867: SSRF

First published: Tue Oct 05 2021(Updated: )

In all versions of GitLab CE/EE since version 8.15, a DNS rebinding vulnerability in Gitea Importer may be exploited by an attacker to trigger Server Side Request Forgery (SSRF) attacks.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=8.15.0<14.1.7
GitLab	>=8.15.0<14.1.7
GitLab	>=14.2.0<14.2.5
GitLab	>=14.2.0<14.2.5
GitLab	=4.3.0
GitLab	=4.3.0

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Frequently Asked Questions

What is the severity of CVE-2021-39867?
CVE-2021-39867 is classified as a high severity vulnerability due to its potential for Server Side Request Forgery (SSRF) attacks.
How do I fix CVE-2021-39867?
To mitigate CVE-2021-39867, upgrade to GitLab versions 14.2.5 or later, or to versions 14.1.7 or later.
What versions of GitLab are affected by CVE-2021-39867?
CVE-2021-39867 affects all versions of GitLab CE/EE from 8.15.0 to 14.1.7 and from 14.2.0 to 14.2.5.
What type of vulnerability is CVE-2021-39867?
CVE-2021-39867 is a DNS rebinding vulnerability that can lead to Server Side Request Forgery (SSRF) attacks.
What components are involved in CVE-2021-39867?
CVE-2021-39867 specifically involves the Gitea Importer feature within GitLab.

agent/references
agent/type
agent/author
agent/weakness
agent/softwarecombine
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/gitlab
canonical/gitlab
version/gitlab/8.15.0
version/gitlab/14.2.0
version/gitlab/4.3.0

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Frequently Asked Questions

What is the severity of CVE-2021-39867?
CVE-2021-39867 is classified as a high severity vulnerability due to its potential for Server Side Request Forgery (SSRF) attacks.
How do I fix CVE-2021-39867?
To mitigate CVE-2021-39867, upgrade to GitLab versions 14.2.5 or later, or to versions 14.1.7 or later.
What versions of GitLab are affected by CVE-2021-39867?
CVE-2021-39867 affects all versions of GitLab CE/EE from 8.15.0 to 14.1.7 and from 14.2.0 to 14.2.5.
What type of vulnerability is CVE-2021-39867?
CVE-2021-39867 is a DNS rebinding vulnerability that can lead to Server Side Request Forgery (SSRF) attacks.
What components are involved in CVE-2021-39867?
CVE-2021-39867 specifically involves the Gitea Importer feature within GitLab.