What is CVE-2019-20101?

CVE-2019-20101 is a vulnerability in Atlassian Jira Server and Data Center that allows anonymous remote attackers to view whitelist rules.

How can the CVE-2019-20101 vulnerability be exploited?

The CVE-2019-20101 vulnerability can be exploited by sending a request to the /rest/whitelist/<version>/check endpoint.

Which versions of Atlassian Jira Server and Data Center are affected by CVE-2019-20101?

Versions before 8.13.3 of Atlassian Jira Server and Data Center, and versions from 8.14.0 before 8.14.1 are affected by CVE-2019-20101.

What is the severity of CVE-2019-20101?

CVE-2019-20101 has a severity rating of 5.3 (medium).

How can I fix the CVE-2019-20101 vulnerability?

To fix the CVE-2019-20101 vulnerability, it is recommended to upgrade to version 8.13.3 or higher of Atlassian Jira Server and Data Center.

Vulnerability/
CVE-2019-20101

medium

5.3

14/9/2021

9/10/2024

CVE-2019-20101

First published: Tue Sep 14 2021(Updated: )

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view whitelist rules via a Broken Access Control vulnerability in the /rest/whitelist/<version>/check endpoint. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.

Credit: security@atlassian.com security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Data Center	<8.13.3
Atlassian Data Center	=8-14
Atlassian Jira	<8.13.3
Atlassian Jira	=8-14.0

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Frequently Asked Questions

What is CVE-2019-20101?
CVE-2019-20101 is a vulnerability in Atlassian Jira Server and Data Center that allows anonymous remote attackers to view whitelist rules.
How can the CVE-2019-20101 vulnerability be exploited?
The CVE-2019-20101 vulnerability can be exploited by sending a request to the /rest/whitelist/<version>/check endpoint.
Which versions of Atlassian Jira Server and Data Center are affected by CVE-2019-20101?
Versions before 8.13.3 of Atlassian Jira Server and Data Center, and versions from 8.14.0 before 8.14.1 are affected by CVE-2019-20101.
What is the severity of CVE-2019-20101?
CVE-2019-20101 has a severity rating of 5.3 (medium).
How can I fix the CVE-2019-20101 vulnerability?
To fix the CVE-2019-20101 vulnerability, it is recommended to upgrade to version 8.13.3 or higher of Atlassian Jira Server and Data Center.

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canonical/atlassian jira
version/atlassian jira/8-14.0

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