This does not affect Jira Core or Jira Software on instances where Jira Service Desk is not installed. All versions before 3.9.17, from 3.10.0 to 4.3.17 are affected by these vulnerabilities. Atlassian Cloud instances have already been upgraded to a version of Jira which does not have the issue described on this page. The vulnerabilities are listed as critical, high, moderate or low, according to the severity of our severity scale in our assessment.”]