{"id":"CVE-2019-3403","aliases":["EUVD-2019-13042","GHSA-6jvq-7cj3-36wh"],"status":"published","title":"The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0...","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.53593,"percentile":0.99,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-863"],"published":"2019-05-22T17:35:03Z","modified":"2026-06-17T02:35:06Z","exploits":[{"source":"nuclei","id":"CVE-2019-3403","title":"Jira - Incorrect Authorization","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-3403.yaml"},{"source":"pocgithub","id":"davidmckennirey/CVE-2019-3403","title":"davidmckennirey/CVE-2019-3403","date":"2021-03-18","url":"https://github.com/davidmckennirey/CVE-2019-3403"},{"source":"pocgithub","id":"und3sc0n0c1d0/UserEnumJira","title":"und3sc0n0c1d0/UserEnumJira","date":"2020-09-15","url":"https://github.com/und3sc0n0c1d0/UserEnumJira"}],"products":[{"vendor":"atlassian","product":"jira"},{"vendor":"atlassian","product":"jira_server"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-69242","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3403"},{"url":"https://github.com/advisories/GHSA-6jvq-7cj3-36wh"}],"sources":{"cve":[{"id":"CVE-2019-3403","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.","status":"published","published":"2019-05-22T17:35:03.958Z","modified":"2024-09-17T01:00:56.714Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-13042","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.","status":"published","published":"2019-05-22T17:35:03Z","modified":"2024-09-17T01:00:56Z","updated_at":"2026-11-03T00:28:53.686001Z"}],"ghsa":[{"id":"GHSA-6jvq-7cj3-36wh","title":"The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0...","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.","status":"published","published":"2022-05-24T16:46:16Z","modified":"2024-04-04T00:43:59Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:55:51.66271Z"}],"nvd":[{"id":"CVE-2019-3403","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.","status":"published","published":"2019-05-22T18:29:00.833Z","modified":"2026-06-17T02:35:06.473Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:05:14.729983Z"}]}}