CVE-2021-39128 Code injection in Jira Data Center

What is CVE-2021-39128?

CVE-2021-39128 is a high-severity code injection vulnerability in Atlassian Jira Data Center, published on 16 Sep 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Affected versions of Atlassian Jira Server or Data Center using the Jira Service Management addon allow remote attackers with JIRA Administrators access to execute arbitrary Java code via a server-side template injection vulnerability in the Email Template feature. The affected versions of Jira Server or Data Center are before version 8.13.12, and from version 8.14.0 before 8.19.1.

Weakness: CWE-94, CWE-1336

Which versions are affected by CVE-2021-39128?

It affects 2 products.

Products include Atlassian Jira Data Center, Atlassian Jira Server.

How do I fix CVE-2021-39128?

No fix has been published for CVE-2021-39128 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-39128 being exploited?

There is no known exploitation of CVE-2021-39128 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Jira Data Center

• CVE-2021-26086 Atlassian Jira Server and Data Center Path Traversal Exploited Medium 5.3
• CVE-2022-0540 Auth bypass in Jira Core Server Critical 9.8
• CVE-2020-36239 Deserialization in Jira Core Data Center Critical 9.8
• CVE-2025-22167 Path traversal in Jira Software Data Center High 8.7
• CVE-2019-20419 Other in Jira Server High 7.8

All Atlassian Jira Data Center vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gxr7-rwpm-wrqm.