CVE-2020-14172

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-03 · updated 2026-06-17
Weakness: CWE-502

Description

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

How to fix

Upgrade to a fixed version: Atlassian Jira 7.13.0, 8.5.0, 8.8.1; Atlassian Jira Software Data Center 7.13.0, 8.5.0, 8.8.1. Check the vendor advisory for mitigations.

References

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