CVE-2020-14172: Atlassian Jira

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

This issue exists to document that a security improvement in the way that Jira Server and Data Center use velocity templates has been implemented. The way in which velocity templates were used in Atlassian Jira Server and Data Center in affected versions allowed remote attackers to achieve remote code execution via insecure deserialization, if they were able to exploit a server side template injection vulnerability. The affected versions are before version 7.13.0, from version 8.0.0 before 8.5.0, and from version 8.6.0 before version 8.8.1.

Affected products

• Atlassian Jira: before 7.13.0 (fixed in 7.13.0); from 8.0.0, before 8.5.0 (fixed in 8.5.0); from 8.6.0, before 8.8.1 (fixed in 8.8.1)
• Atlassian Jira Software Data Center: before 7.13.0 (fixed in 7.13.0); from 8.0.0, before 8.5.0 (fixed in 8.5.0); from 8.6.0, before 8.8.1 (fixed in 8.8.1)

Published 2020-07-03. Last modified 2026-06-17.