Vulnerability record · CVE-2021-43947 · published 6 January 2022

CVE-2021-43947: Atlassian data center vulnerability

Atlassian · Data Center

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code via a Remote Code Execution (RCE) vulnerability in the Email Templates feature. This issue bypasses the fix of https://jira.atlassian.com/browse/JSDSERVER-8665. 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 4.1% · top 9.5%

7.2CVSS 3.1 base score, v2 9.0

4.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

4Affected 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

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

Data Center Atlassian

Jira Atlassian

Jira Data Center Atlassian

Jira Server Atlassian

References

Link	Tags
https://jira.atlassian.com/browse/JRASERVER-73067	Issue TrackingVendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73067	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-2021-43947), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.