CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability
First published: Tue Jan 16 2024(Updated: )
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
Credit: security@atlassian.com security@atlassian.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Atlassian Confluence Data Center | =8 | |
| Atlassian Confluence Server | =8 | |
| Atlassian Confluence Data Center | =before December 5, 2023 | |
| Atlassian Confluence Server | =up to 8.4.5 | |
| Atlassian Confluence Data Center and Server | ||
| >=8.0.0<8.5.4 | ||
| =8.7.0 | ||
| >=8.0.0<8.5.4 |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://www.bleepingcomputer.com/news/security/atlassian-warns-of-critical-rce-flaw-in-older-confluence-versions/
- https://www.theregister.com/2024/01/16/patch_vmware_atlassian/
- https://www.bleepingcomputer.com/news/security/hackers-start-exploiting-critical-atlassian-confluence-rce-flaw/
- https://www.theregister.com/2024/01/22/atlassian_confluence_server_rce/
- http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
- https://jira.atlassian.com/browse/CONFSERVER-93833
- https://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html;
- https://nvd.nist.gov/vuln/detail/CVE-2023-22527
- https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527
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