Atlasssian Jira before version 7.13.3 and from version 8.0.0 before version 8.1.1 is susceptible to incorrect authorization. The ManageFilters.jspa resource allows a remote attacker to enumerate usernames via an incorrect authorization check, thus possibly obtaining sensitive information, modifying data, and/or executing unauthorized operations.
View the template here CVE-2019-3401.yaml
References:
https://nvd.nist.gov/vuln/detail/CVE-2019-3401