{"id":"CVE-2019-8449","aliases":["EUVD-2019-17839","GHSA-8wr9-r69x-g268"],"status":"published","title":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote...","description":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.","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":"2026-11-10","score":0.85739,"percentile":0.99729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200","CWE-306"],"published":"2019-09-11T13:56:26Z","modified":"2026-06-17T02:42:01Z","exploits":[{"source":"pocgithub","id":"mufeedvh/CVE-2019-8449","title":"mufeedvh/CVE-2019-8449","date":"2020-02-02","url":"https://github.com/mufeedvh/CVE-2019-8449"},{"source":"exploitdb","id":"EDB-47990","title":"Jira 8.3.4 - Information Disclosure (Username Enumeration)","type":"webapps","platform":"java","date":"2020-02-03","url":"https://www.exploit-db.com/exploits/47990"},{"source":"pocgithub","id":"r0lh/CVE-2019-8449","title":"r0lh/CVE-2019-8449","date":"2020-02-14","url":"https://github.com/r0lh/CVE-2019-8449"},{"source":"nuclei","id":"CVE-2019-8449","title":"Jira \u003c8.4.0 - Information Disclosure","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-8449.yaml"}],"products":[{"vendor":"atlassian","product":"jira"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-69796","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/156172/Jira-8.3.4-Information-Disclosure.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8449"},{"url":"https://github.com/advisories/GHSA-8wr9-r69x-g268"}],"sources":{"cve":[{"id":"CVE-2019-8449","description":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.","status":"published","published":"2019-09-11T13:56:26.301Z","modified":"2024-09-17T01:01:03.58Z","updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-17839","description":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.","status":"published","published":"2019-09-11T13:56:26Z","modified":"2024-09-17T01:01:03Z","updated_at":"2026-11-03T00:28:53.686001Z"}],"ghsa":[{"id":"GHSA-8wr9-r69x-g268","title":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote...","description":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.","status":"published","published":"2022-05-24T22:00:30Z","modified":"2023-01-30T05:04:34Z","cwes":["CWE-200","CWE-306"],"updated_at":"2026-11-02T14:47:04.563666Z"}],"nvd":[{"id":"CVE-2019-8449","description":"The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.","status":"published","published":"2019-09-11T14:15:12.257Z","modified":"2026-06-17T02:42:01.093Z","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-306"],"updated_at":"2026-11-02T14:05:25.691233Z"}]}}