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NVD Vulnerability Details :
CVE-2025-22166
Analyzed
More InfoOfficial Page
Source-security@atlassian.com
View Known Exploited Vulnerability (KEV) details
Published At-21 Oct, 2025 | 16:15
Updated At-05 Dec, 2025 | 19:22

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.3HIGH
CVSS:4.0/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
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 8.3
Base severity: HIGH
Vector:
CVSS:4.0/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
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Atlassian
atlassian
>>confluence_data_center>>Versions from 8.5.0(inclusive) to 8.5.25(exclusive)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
Atlassian
atlassian
>>confluence_data_center>>Versions from 9.2.0(inclusive) to 9.2.7(exclusive)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
Atlassian
atlassian
>>confluence_data_center>>Versions from 10.0.0(inclusive) to 10.0.2(exclusive)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
Atlassian
atlassian
>>confluence_server>>Versions from 8.5.0(inclusive) to 8.5.25(exclusive)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
Atlassian
atlassian
>>confluence_server>>Versions from 9.2.0(inclusive) to 9.2.7(exclusive)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
Atlassian
atlassian
>>confluence_server>>Versions from 10.0.0(inclusive) to 10.0.2(exclusive)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-405Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-405
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034security@atlassian.com
Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-100907security@atlassian.com
Vendor Advisory
Hyperlink: https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034
Source: security@atlassian.com
Resource:
Vendor Advisory
Hyperlink: https://jira.atlassian.com/browse/CONFSERVER-100907
Source: security@atlassian.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found