CVE-2025-22166

HIGH EPSS 36.5%
Published Oct 21, 20258mo ago · Modified Jun 17, 20261w ago
8.3 CVSS 4.0
High
Find Similar
Published Oct 21, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.3
Exploitability
Impact
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
36.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-405

Affected Products 6

VendorProductVersionRange
atlassianconfluence_data_center*≥8.5.0  –  <8.5.25
atlassianconfluence_data_center*≥9.2.0  –  <9.2.7
atlassianconfluence_data_center*≥10.0.0  –  <10.0.2
atlassianconfluence_server*≥8.5.0  –  <8.5.25
atlassianconfluence_server*≥9.2.0  –  <9.2.7
atlassianconfluence_server*≥10.0.0  –  <10.0.2

References 2

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.