CVE-2021-39114 Code injection in Confluence Data Center

What is CVE-2021-39114?

CVE-2021-39114 is a high-severity code injection vulnerability in Atlassian Confluence Data Center, published on 5 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-94

Which versions are affected by CVE-2021-39114?

It affects 2 products.

Products include Atlassian Confluence Data Center, Atlassian Confluence Server.

How do I fix CVE-2021-39114?

No fix has been published for CVE-2021-39114 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-39114 being exploited?

There is no known exploitation of CVE-2021-39114 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Confluence Data Center

• CVE-2023-22527 Atlassian Confluence Data Center and Server Template Injection Exploited Critical 10.0
• CVE-2023-22518 Atlassian Confluence Data Center and Server Improper Authorization Exploited Critical 10.0
• CVE-2023-22515 Atlassian Confluence Data Center and Server Broken Access Control Exploited Critical 10.0
• CVE-2022-26134 Atlassian Confluence Server and Data Center Remote Code Execution Exploited Critical 9.8
• CVE-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Exploited Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2grp-34h8-p48c, UBUNTU-CVE-2021-39114.