What is the vulnerability ID?

The vulnerability ID is CVE-2021-39121.

What is the severity of CVE-2021-39121?

The severity of CVE-2021-39121 is medium with a severity value of 4.3.

Which versions of Atlassian Jira Server and Data Center are affected by CVE-2021-39121?

Affected versions of Atlassian Jira Server and Data Center are before version 8.5.18, from version 8.6.0 to 8.13.10, and from version 8.14.0 to 8.18.2.

Is there a reference for CVE-2021-39121?

Yes, you can find the reference for CVE-2021-39121 at https://jira.atlassian.com/browse/JRASERVER-72715.

Vulnerability/
CVE-2021-39121

medium

4.3

8/9/2021

30/3/2022

CVE-2021-39121

Q: How can an authenticated remote attacker exploit CVE-2021-39121?

An authenticated remote attacker can exploit CVE-2021-39121 by enumerating the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint.

First published: Wed Sep 08 2021(Updated: )

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Data Center	<8.5.18
Atlassian JIRA	<8.5.18
Atlassian Jira Data Center	>=8.6.0<8.13.10
Atlassian Jira Data Center	>=8.14.0<8.18.2
Atlassian Jira Server	>=8.6.0<8.13.10
Atlassian Jira Server	>=8.14.0<8.18.2

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Reference Links

https://jira.atlassian.com/browse/JRASERVER-72715

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2021-39121.
What is the severity of CVE-2021-39121?
The severity of CVE-2021-39121 is medium with a severity value of 4.3.
Which versions of Atlassian Jira Server and Data Center are affected by CVE-2021-39121?
Affected versions of Atlassian Jira Server and Data Center are before version 8.5.18, from version 8.6.0 to 8.13.10, and from version 8.14.0 to 8.18.2.
How can an authenticated remote attacker exploit CVE-2021-39121?
An authenticated remote attacker can exploit CVE-2021-39121 by enumerating the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint.
Is there a reference for CVE-2021-39121?
Yes, you can find the reference for CVE-2021-39121 at https://jira.atlassian.com/browse/JRASERVER-72715.

collector/nvd-index
vendor/atlassian
canonical/atlassian data center
canonical/atlassian jira
canonical/atlassian jira data center
version/atlassian jira data center/8.6.0
version/atlassian jira data center/8.14.0
canonical/atlassian jira server
version/atlassian jira server/8.6.0
version/atlassian jira server/8.14.0

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