CVE-2019-20413: Atlassian Jira

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability on the UserPickerBrowser.jspa page. 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.