CVE-2025-22166

Summary

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.

Affected Software

VendorProductVersion RangeStatus
AtlassianConfluence Data Center9.5.1 to 9.5.4affected
AtlassianConfluence Data Center9.4.0 to 9.4.1affected
AtlassianConfluence Data Center9.3.1 to 9.3.2affected
AtlassianConfluence Data Center9.2.0 to 9.2.6affected
AtlassianConfluence Data Center9.1.0 to 9.1.1affected
AtlassianConfluence Data Center9.0.1 to 9.0.3affected
AtlassianConfluence Data Center8.9.0 to 8.9.8affected
AtlassianConfluence Data Center8.8.0 to 8.8.1affected
AtlassianConfluence Data Center8.7.1 to 8.7.2affected
AtlassianConfluence Data Center8.6.1 to 8.6.2affected
AtlassianConfluence Data Center8.5.3 to 8.5.24affected
AtlassianConfluence Data Center7.19.16 to 7.19.30affected
AtlassianConfluence Data Center10.0.2 to 10.0.3unaffected
AtlassianConfluence Data Center9.2.7 to 9.2.9unaffected
AtlassianConfluence Data Center8.5.25 to 8.5.27unaffected

Weaknesses

  • DoS (Denial of Service)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References