{"id":"CVE-2021-39121","aliases":["EUVD-2021-25557","GHSA-r34f-76fq-39vg"],"status":"published","title":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers...","description":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01661,"percentile":0.76855,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-08T01:45:10Z","modified":"2026-06-17T04:03:06Z","products":[{"vendor":"atlassian","product":"data_center"},{"vendor":"atlassian","product":"jira"},{"vendor":"atlassian","product":"jira data center"},{"vendor":"atlassian","product":"jira server"},{"vendor":"atlassian","product":"jira_data_center"},{"vendor":"atlassian","product":"jira_server"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-72715","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39121"},{"url":"https://github.com/advisories/GHSA-r34f-76fq-39vg"}],"sources":{"cve":[{"id":"CVE-2021-39121","description":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.","status":"published","published":"2021-09-08T01:45:10.564Z","modified":"2024-10-10T15:05:06.059Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25557","description":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.","status":"published","published":"2021-09-08T01:45:10Z","modified":"2024-10-10T15:05:06Z","updated_at":"2026-11-03T00:27:41.519615Z"}],"ghsa":[{"id":"GHSA-r34f-76fq-39vg","title":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers...","description":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.","status":"published","published":"2022-05-24T19:13:53Z","modified":"2023-01-30T05:02:07Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:46:34.16886Z"}],"nvd":[{"id":"CVE-2021-39121","description":"Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.","status":"published","published":"2021-09-08T02:15:06.737Z","modified":"2026-06-17T04:03:06.563Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}