What is CVE-2019-20899?

CVE-2019-20899 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to make Jira unresponsive through repeated requests to a specific endpoint in the Gadget API.

What is the severity rating of CVE-2019-20899?

CVE-2019-20899 has a severity rating of 5.3, which is considered medium.

Which versions of Atlassian Jira are affected by CVE-2019-20899?

The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1 for both Atlassian Jira Server and Data Center.

How can attackers exploit CVE-2019-20899?

Attackers can exploit CVE-2019-20899 by sending repeated requests to a certain endpoint in the Gadget API, causing Jira to become unresponsive.

Is there a fix for CVE-2019-20899?

Yes, the fix for CVE-2019-20899 is included in version 8.5.4 and version 8.6.1 of Atlassian Jira Server and Data Center.

Vulnerability/
CVE-2019-20899

medium

5.3

23/3/2020

5/8/2024

CVE-2019-20899

First published: Mon Mar 23 2020(Updated: )

The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian JIRA	<8.5.4
Atlassian Jira Data Center	>=8.5.5<8.6.1
Atlassian Jira Data Center	>=8.6.2<8.7.0
Atlassian Jira Server	>=8.5.5<8.6.1
Atlassian Jira Server	>=8.6.2<8.7.0
Atlassian Jira Software Data Center	<8.5.4

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Reference Links

https://jira.atlassian.com/browse/JRASERVER-70808

Frequently Asked Questions

What is CVE-2019-20899?
CVE-2019-20899 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to make Jira unresponsive through repeated requests to a specific endpoint in the Gadget API.
What is the severity rating of CVE-2019-20899?
CVE-2019-20899 has a severity rating of 5.3, which is considered medium.
Which versions of Atlassian Jira are affected by CVE-2019-20899?
The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1 for both Atlassian Jira Server and Data Center.
How can attackers exploit CVE-2019-20899?
Attackers can exploit CVE-2019-20899 by sending repeated requests to a certain endpoint in the Gadget API, causing Jira to become unresponsive.
Is there a fix for CVE-2019-20899?
Yes, the fix for CVE-2019-20899 is included in version 8.5.4 and version 8.6.1 of Atlassian Jira Server and Data Center.

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agent/last-modified-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/atlassian
canonical/atlassian jira
canonical/atlassian jira data center
version/atlassian jira data center/8.5.5
version/atlassian jira data center/8.6.2
canonical/atlassian jira server
version/atlassian jira server/8.5.5
version/atlassian jira server/8.6.2
canonical/atlassian jira software data center

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