Advisory Published

CVE-2021-39114: Code Injection

First published: Tue Apr 05 2022(Updated: )

Affected versions of Atlassian Confluence Server and Data Center allow users with a valid account on a Confluence Data Center instance to execute arbitrary Java code or run arbitrary system commands by injecting an OGNL payload. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

Credit: security@atlassian.com

Affected SoftwareAffected VersionHow to fix
Atlassian Confluence Data Center<6.13.23
Atlassian Confluence Data Center>=6.14.0<7.4.11
Atlassian Confluence Data Center>=7.5.0<7.11.6
Atlassian Confluence Data Center>=7.12.0<7.12.5
Atlassian Confluence Server<6.13.23
Atlassian Confluence Server>=6.14.0<7.4.11
Atlassian Confluence Server>=7.5.0<7.11.6
Atlassian Confluence Server>=7.12.0<7.12.5

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Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2021-39114.

  • What is the severity level of CVE-2021-39114?

    The severity level of CVE-2021-39114 is high with a score of 8.8.

  • What versions of Atlassian Confluence Server and Data Center are affected?

    Versions before 6.13.23 and between 6.14.0 to 7.4.11 for Confluence Server, and versions before 6.13.23 and between 6.14.0 to 7.12.5 for Confluence Data Center are affected.

  • How can an attacker exploit this vulnerability?

    An attacker can exploit this vulnerability by injecting an OGNL payload to execute arbitrary Java code or run arbitrary system commands.

  • Is there a fix available for CVE-2021-39114?

    Yes, Atlassian has released fixed versions of Confluence Server and Data Center to address this vulnerability.


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