What is CVE-2021-39128?

CVE-2021-39128 is a server-side template injection vulnerability in the Email Template feature of Atlassian Jira Server or Data Center using the Jira Service Management addon.

Which versions of Atlassian Jira are affected by CVE-2021-39128?

Affected versions include Atlassian Jira Server 8.13.12 and earlier, Atlassian Jira Server 8.14.0 to 8.19.1, Atlassian Jira Data Center 8.13.12 and earlier, and Atlassian Jira Data Center 8.14.0 to 8.19.1.

What is the severity of CVE-2021-39128?

The severity of CVE-2021-39128 is high, with a CVSS score of 7.2.

How can I fix CVE-2021-39128 in Atlassian Jira?

To fix CVE-2021-39128, it is recommended to upgrade to a version of Atlassian Jira Server or Data Center that is not affected by the vulnerability.

Vulnerability/
CVE-2021-39128

high

7.2

CWE

94 1336

16/9/2021

1/8/2022

CVE-2021-39128: Code Injection

Q: How does CVE-2021-39128 affect Atlassian Jira?

CVE-2021-39128 allows remote attackers with JIRA Administrators access to execute arbitrary Java code.

First published: Thu Sep 16 2021(Updated: )

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.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Jira Data Center	<8.13.12
Atlassian Jira Data Center	>=8.14.0<8.19.1
Atlassian Jira Server	<8.13.12
Atlassian Jira Server	>=8.14.0<8.19.1

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Reference Links

https://jira.atlassian.com/browse/JRASERVER-72804

Frequently Asked Questions

What is CVE-2021-39128?
CVE-2021-39128 is a server-side template injection vulnerability in the Email Template feature of Atlassian Jira Server or Data Center using the Jira Service Management addon.
How does CVE-2021-39128 affect Atlassian Jira?
CVE-2021-39128 allows remote attackers with JIRA Administrators access to execute arbitrary Java code.
Which versions of Atlassian Jira are affected by CVE-2021-39128?
Affected versions include Atlassian Jira Server 8.13.12 and earlier, Atlassian Jira Server 8.14.0 to 8.19.1, Atlassian Jira Data Center 8.13.12 and earlier, and Atlassian Jira Data Center 8.14.0 to 8.19.1.
What is the severity of CVE-2021-39128?
The severity of CVE-2021-39128 is high, with a CVSS score of 7.2.
How can I fix CVE-2021-39128 in Atlassian Jira?
To fix CVE-2021-39128, it is recommended to upgrade to a version of Atlassian Jira Server or Data Center that is not affected by the vulnerability.

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canonical/atlassian jira server
version/atlassian jira server/8.14.0

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