Exploited
CWE
74
Advisory Published
Updated

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

Affected SoftwareAffected VersionHow 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
Atlassian Confluence Data Center>=8.0.0<8.5.4
Atlassian Confluence Data Center=8.7.0
Atlassian Confluence Server>=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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