The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Link | Tags |
---|---|
https://jira.atlassian.com/browse/JRASERVER-69796 | issue tracking vendor advisory |
http://packetstormsecurity.com/files/156172/Jira-8.3.4-Information-Disclosure.html | exploit vdb entry third party advisory |