description: 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 allows remote attackers to enumerate usernames via an incorrect authorisation check.
problem types: Incorrect Authorization (CWE-863)
affected:
{
product: Jira
vendor: Atlassian
versions:
lessThan: 7.13.3, status: affected, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 8.0.0, versionType: custom
lessThan: 8.0.4, status: affected, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 8.1.0, versionType: custom
lessThan: 8.1.1, status: affected, version: unspecified, versionType: custom
}