Atlassian JIRA Server and Atlassian JIRA Data Center are both products of Atlassian Australia.Atlassian JIRA Server is a server version of a defect tracking management system. Atlassian JIRA Data Center is the data center version of Atlassian JIRA, which is an information disclosure vulnerability that can be exploited by remote attackers via /rest/ api/1.0/issues/{id}/ActionsAndOperations API endpoint to download temporary files and enumerate project keys.