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.
2025-10-21T16:15:37.370
2025-12-05T19:22:44.947
Analyzed
CVSSv3.1: 7.5 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | atlassian | confluence_data_center | < 8.5.25 | Yes |
| Application | atlassian | confluence_data_center | < 9.2.7 | Yes |
| Application | atlassian | confluence_data_center | < 10.0.2 | Yes |
| Application | atlassian | confluence_server | < 8.5.25 | Yes |
| Application | atlassian | confluence_server | < 9.2.7 | Yes |
| Application | atlassian | confluence_server | < 10.0.2 | Yes |