Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view object import configuration details via an Information Disclosure vulnerability in the Create Object type mapping feature. The affected versions are before version 4.21.0.

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view the names of private objects via an Improper Authorization vulnerability in the "Move objects" feature. The affected versions are before version 4.21.0.

Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of /secure/admin/InsightDefaultCustomFieldConfig.jspa. The affected versions are before version 4.21.0.

Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers with "Jira Administrators" access to execute arbitrary Java code or run arbitrary system commands via a Server_Side Template Injection vulnerability in the Email Template feature. The affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.