Improper Authentication in Jira Software Server - CVE-2019-20412
Published: June 29, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30163
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-20412
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The Convert Sub-Task to Issue page in affected versions of Atlassian Jira Server and Data Center allow remote attackers to enumerate the following information via an Improper Authentication vulnerability: Workflow names; Project Key, if it is part of the workflow name; Issue Keys; Issue Types; Status Types. The affected versions are before version 7.13.9, and from version 8.0.0 before 8.4.2.
Affected software
Jira Software Server
How to mitigate CVE-2019-20412
Install update from vendor's website.
Jira Software Server - update to 8.4.2