Unspecified Vulnerability in Atlassian Jira Server and Jira Data Center (CNVD-2021-55938)

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. Atlassian Jira Server and Jira Data Center have a security vulnerability that could be exploited to enumerate user names.