Atlassian Jira Improper Authentication Vulnerability - CVE-2019-20412
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.