CVE-2019-20412: Atlassian Jira

Medium severity, CVSS 5.3. EPSS: 1.9% chance of exploitation in the next 30 days.

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 products

• Atlassian Jira: before 7.13.9 (fixed in 7.13.9)
• Atlassian Jira Data Center: from 8.0.0, before 8.4.2 (fixed in 8.4.2)
• Atlassian Jira Server: from 8.0.0, before 8.4.2 (fixed in 8.4.2)
• Atlassian Jira Software Data Center: before 7.13.9 (fixed in 7.13.9)

Published 2020-06-29. Last modified 2026-06-17.