CVE-2020-36238: Atlassian Data Center

Medium severity, CVSS 5.3. EPSS: 1.6% chance of exploitation in the next 30 days.

The /rest/api/1.0/render resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and from version 8.14.0 before version 8.15.1 allows remote anonymous attackers to determine if a username is valid or not via a missing permissions check.

Affected products

• Atlassian Data Center: before 8.5.13 (fixed in 8.5.13)
• Atlassian Jira: before 8.5.13 (fixed in 8.5.13)
• Atlassian Jira Data Center: from 8.6.0, before 8.13.5 (fixed in 8.13.5); from 8.14.0, before 8.15.1 (fixed in 8.15.1)
• Atlassian Jira Server: from 8.6.0, before 8.13.5 (fixed in 8.13.5); from 8.14.0, before 8.15.1 (fixed in 8.15.1)

Published 2021-04-01. Last modified 2026-06-17.