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.

• https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034
• https://jira.atlassian.com/browse/CONFSERVER-100907

• Atlassian » Confluence Data Center » Version: Any
  cpe:2.3:a:atlassian:confluence_data_center:*
• Atlassian » Confluence Data Center » Version: 8.5.0
  cpe:2.3:a:atlassian:confluence_data_center:8.5.0
• Atlassian » Confluence Data Center » Version: 8.5.1
  cpe:2.3:a:atlassian:confluence_data_center:8.5.1
• Atlassian » Confluence Data Center » Version: 8.5.10
  cpe:2.3:a:atlassian:confluence_data_center:8.5.10
• Atlassian » Confluence Data Center » Version: 8.5.11
  cpe:2.3:a:atlassian:confluence_data_center:8.5.11
• Atlassian » Confluence Data Center » Version: 8.5.12
  cpe:2.3:a:atlassian:confluence_data_center:8.5.12
• Atlassian » Confluence Data Center » Version: 8.5.14
  cpe:2.3:a:atlassian:confluence_data_center:8.5.14
• Atlassian » Confluence Data Center » Version: 8.5.15
  cpe:2.3:a:atlassian:confluence_data_center:8.5.15
• Atlassian » Confluence Data Center » Version: 8.5.16
  cpe:2.3:a:atlassian:confluence_data_center:8.5.16
• Atlassian » Confluence Data Center » Version: 8.5.17
  cpe:2.3:a:atlassian:confluence_data_center:8.5.17
• Atlassian » Confluence Data Center » Version: 8.5.18
  cpe:2.3:a:atlassian:confluence_data_center:8.5.18
• Atlassian » Confluence Data Center » Version: 8.5.19
  cpe:2.3:a:atlassian:confluence_data_center:8.5.19
• Atlassian » Confluence Data Center » Version: 8.5.2
  cpe:2.3:a:atlassian:confluence_data_center:8.5.2
• Atlassian » Confluence Data Center » Version: 8.5.20
  cpe:2.3:a:atlassian:confluence_data_center:8.5.20
• Atlassian » Confluence Data Center » Version: 8.5.21
  cpe:2.3:a:atlassian:confluence_data_center:8.5.21
• Atlassian » Confluence Data Center » Version: 8.5.3
  cpe:2.3:a:atlassian:confluence_data_center:8.5.3
• Atlassian » Confluence Data Center » Version: 8.5.4
  cpe:2.3:a:atlassian:confluence_data_center:8.5.4
• Atlassian » Confluence Data Center » Version: 8.5.5
  cpe:2.3:a:atlassian:confluence_data_center:8.5.5
• Atlassian » Confluence Data Center » Version: 8.5.6
  cpe:2.3:a:atlassian:confluence_data_center:8.5.6
• Atlassian » Confluence Data Center » Version: 8.5.7
  cpe:2.3:a:atlassian:confluence_data_center:8.5.7
• Atlassian » Confluence Data Center » Version: 8.5.8
  cpe:2.3:a:atlassian:confluence_data_center:8.5.8
• Atlassian » Confluence Data Center » Version: 8.5.9
  cpe:2.3:a:atlassian:confluence_data_center:8.5.9
• Atlassian » Confluence Data Center » Version: 9.2.0
  cpe:2.3:a:atlassian:confluence_data_center:9.2.0
• Atlassian » Confluence Data Center » Version: 9.2.1
  cpe:2.3:a:atlassian:confluence_data_center:9.2.1
• Atlassian » Confluence Server » Version: Any
  cpe:2.3:a:atlassian:confluence_server:*
• Atlassian » Confluence Server » Version: 8.5.0
  cpe:2.3:a:atlassian:confluence_server:8.5.0
• Atlassian » Confluence Server » Version: 8.5.1
  cpe:2.3:a:atlassian:confluence_server:8.5.1
• Atlassian » Confluence Server » Version: 8.5.2
  cpe:2.3:a:atlassian:confluence_server:8.5.2
• Atlassian » Confluence Server » Version: 8.5.3
  cpe:2.3:a:atlassian:confluence_server:8.5.3
• Atlassian » Confluence Server » Version: 8.5.4
  cpe:2.3:a:atlassian:confluence_server:8.5.4
• Atlassian » Confluence Server » Version: 8.5.5
  cpe:2.3:a:atlassian:confluence_server:8.5.5
• Atlassian » Confluence Server » Version: 8.5.6
  cpe:2.3:a:atlassian:confluence_server:8.5.6
• Atlassian » Confluence Server » Version: 8.5.7
  cpe:2.3:a:atlassian:confluence_server:8.5.7
• Atlassian » Confluence Server » Version: 8.5.8
  cpe:2.3:a:atlassian:confluence_server:8.5.8
• Atlassian » Confluence Server » Version: 8.5.9
  cpe:2.3:a:atlassian:confluence_server:8.5.9