Atlassian Confluence Asymmetric Resource Consumption (Amplification) Vulnerability - CVE-2025-22166 - Vulnerability Database

Atlassian Confluence Asymmetric Resource Consumption (Amplification) Vulnerability - CVE-2025-22166

High

Reference: CVE-2025-22166

NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2025-22166

Title: Atlassian Confluence Asymmetric Resource Consumption (Amplification) Vulnerability

Overview:

This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability with a CVSS Score of 8.3 allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Atlassian recommends that Confluence Data Center customers upgrade to latest version if you are unable to do so upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25 Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7 Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2 See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center from the download center (https://www.atlassian.com/software/confluence/download-archives). This vulnerability was reported via our Atlassian (Internal) program.