The host is installed with Atlassian Confluence Server 1.3.0 before 7.4.17, 7.13.0 before 7.13.7, 7.14.0 before 7.14.3, 7.15.0 before 7.15.2, 7.16.0 before 7.16.4, 7.17.0 before 7.17.4, or 7.18.0 before 7.18.1 and is prone to a remote code execution vulnerability. A flaw is present in the application which fails to properly handle unspecified vectors. Successful exploitation allows unauthenticated attackers to execute code remotely in Confluence Server.