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Vulnerability record · CVE-2021-39115 · published 1 September 2021

CVE-2021-39115: Atlassian jira service desk code injection vulnerability

Atlassian · Jira Service Desk

Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers with "Jira Administrators" access to execute arbitrary Java code or run arbitrary system commands via a Server_Side Template Injection vulnerability in the Email Template feature. The affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.

7.2 CVSS 3.1 High EPSS 4.5% · top 8.9% CWE-96 · CWE-96CWE-94 · Code injection
7.2CVSS 3.1 base score, v2 9.0
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers with "Jira Administrators" access to execute arbitrary Java code or run arbitrary system commands via a Server_Side Template Injection vulnerability in the Email Template feature. The affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.

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.

References

LinkTags
https://jira.atlassian.com/browse/JSDSERVER-8665 Third Party Advisory
https://jira.atlassian.com/browse/JSDSERVER-8665 Third Party 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-2021-39115), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.