CVE-2025-22166 is a high-severity Denial of Service (DoS) vulnerability affecting Atlassian Confluence Data Center and Server, introduced in version 2.0. This flaw allows an unauthenticated attacker to disrupt service availability. With a CVSS score of 7.5, the vulnerability has a low attack complexity and no user interaction is required. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion. Atlassian recommends upgrading to a patched version to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.5.0, < 8.5.25CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | ||
>= 9.2.0, < 9.2.7CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | ||
>= 10.0.0, < 10.0.2CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* | ||
>= 8.5.0, < 8.5.25CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* | ||
>= 9.2.0, < 9.2.7CPE matchmatch criteria | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.