{"timestamp":"2025-10-21T16:21:21.142041Z","id":"CVE-2025-22166","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

[{"vendor":"Atlassian","product":"Confluence Data Center","versions":[{"version":"9.5.1 to 9.5.4","status":"affected"},{"version":"9.4.0 to 9.4.1","status":"affected"},{"version":"9.3.1 to 9.3.2","status":"affected"},{"version":"9.2.0 to 9.2.6","status":"affected"},{"version":"9.1.0 to 9.1.1","status":"affected"},{"version":"9.0.1 to 9.0.3","status":"affected"},{"version":"8.9.0 to 8.9.8","status":"affected"},{"version":"8.8.0 to 8.8.1","status":"affected"},{"version":"8.7.1 to 8.7.2","status":"affected"},{"version":"8.6.1 to 8.6.2","status":"affected"},{"version":"8.5.3 to 8.5.24","status":"affected"},{"version":"7.19.16 to 7.19.30","status":"affected"},{"version":"10.0.2 to 10.0.3","status":"unaffected"},{"version":"9.2.7 to 9.2.9","status":"unaffected"},{"version":"8.5.25 to 8.5.27","status":"unaffected"}]}]

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

OR
          *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.2
          *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 9.2.0 up to (excluding) 9.2.7
          *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.2
          *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 9.2.0 up to (excluding) 9.2.7
          *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.25
          *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.25

Atlassian: https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034 Types: Vendor Advisory

Atlassian: https://jira.atlassian.com/browse/CONFSERVER-100907 Types: Vendor Advisory

CWE-405

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.

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034

https://jira.atlassian.com/browse/CONFSERVER-100907