The host is installed with Atlassian Jira Server before 8.13.12, or 8.14.0 before 8.19.1 and is prone to a server-side template injection vulnerability. A flaw is present in the application which fails to properly handle an issue in the Email Template feature used in the Jira Service Management addon. Successful exploitation could allow remote attackers with JIRA Administrators access to execute arbitrary Java code via a server-side template injection vulnerability.