CVE-2019-3403

medium

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.

References

https://github.com/pwnosec/jira-vuln-scanner

https://github.com/imhunterand/JiraCVE

https://github.com/davidmckennirey/CVE-2019-3403

https://github.com/und3sc0n0c1d0/UserEnumJira

https://jira.atlassian.com/browse/JRASERVER-69242

Details

Source: Mitre, NVD

Published: 2019-05-22

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N