CVE-2019-3403

5.3 mediumEPSS 51%

Medium (5.3) in atlassian. EPSS 51% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 51% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2019-05-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:jira
atlassian:jira_server

References

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

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