CVE-2021-43944 Code injection in Jira Data Center

What is CVE-2021-43944?

CVE-2021-43944 is a high-severity code injection vulnerability in Atlassian Jira Data Center, published on 8 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. Affected versions of Atlassian Jira Server and Data Center allowed remote attackers with system administrator permissions to execute arbitrary code via Template Injection leading to Remote Code Execution (RCE) in the Email Templates feature. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

Weakness: CWE-94

Which versions are affected by CVE-2021-43944?

It affects 2 products.

Products include Atlassian Jira Data Center, Atlassian Jira Server.

How do I fix CVE-2021-43944?

No fix has been published for CVE-2021-43944 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-2021-43944 being exploited?

There is no known exploitation of CVE-2021-43944 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-7gx3-2prj-gfr9.