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Unrated severityNVD Advisory· Published Oct 21, 2025· Updated Oct 21, 2025

CVE-2025-22166

CVE-2025-22166

Description

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.

AI Insight

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Affected products

2
  • Atlassian/Confluence Data Centerllm-create2 versions
    >=2.0, <8.5.25 || >=9.0.0 but <9.2.7 || >=10.0.0 but <10.0.2+ 1 more
    • (no CPE)range: >=2.0, <8.5.25 || >=9.0.0 but <9.2.7 || >=10.0.0 but <10.0.2
    • (no CPE)range: 9.5.1 to 9.5.4

Patches

Vulnerability mechanics

References

2

News mentions

0

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