Vulnerability record · CVE-2021-43944 · published 8 March 2022

CVE-2021-43944: Atlassian jira data center code injection vulnerability

Atlassian · Jira Data Center

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.

7.2 CVSS 3.1 High EPSS 2.3% · top 17.1% CWE-94 · Code injection

7.2CVSS 3.1 base score, v2 6.5

2.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Jira Data Center Atlassian

Jira Server Atlassian

References

Link	Tags
https://jira.atlassian.com/browse/JRASERVER-73072	Issue TrackingVendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73072	Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43944), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.