Input validation error in Jira Software Server - CVE-2019-20899
Published: July 13, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34157
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-20899
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
Affected software
Jira Software Server
How to mitigate CVE-2019-20899
Install update from vendor's website.
Jira Software Server - update to 8.7.0