User enumeration via an incorrect authorisation in Jira

Published on

10 Jan 2022

Vulnerability

Description

Remote attackers can enumerate usernames by using the /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 by the help of incorrect authorisation check.

Recommendations

Update Jira to the latest version

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