{"id":"CVE-2019-20899","aliases":["EUVD-2019-11434","GHSA-6p5p-qf85-v9pw"],"status":"published","title":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote...","description":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02139,"percentile":0.82165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-07-13T01:00:16Z","modified":"2026-06-17T02:31:24Z","products":[{"vendor":"atlassian","product":"jira"},{"vendor":"atlassian","product":"jira server"},{"vendor":"atlassian","product":"jira_data_center"},{"vendor":"atlassian","product":"jira_server"},{"vendor":"atlassian","product":"jira_software_data_center"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-70808","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20899"},{"url":"https://github.com/advisories/GHSA-6p5p-qf85-v9pw"}],"sources":{"cve":[{"id":"CVE-2019-20899","description":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.","status":"published","published":"2020-07-13T01:00:16.851Z","modified":"2024-09-17T00:41:28.244Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2019-11434","description":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.","status":"published","published":"2020-07-13T01:00:16Z","modified":"2024-09-17T00:41:28Z","updated_at":"2026-11-03T00:28:56.965297Z"}],"ghsa":[{"id":"GHSA-6p5p-qf85-v9pw","title":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote...","description":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.","status":"published","published":"2022-05-24T17:22:47Z","modified":"2023-01-29T05:03:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T14:45:17.6265Z"}],"nvd":[{"id":"CVE-2019-20899","description":"The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.","status":"published","published":"2020-07-13T01:15:13.433Z","modified":"2026-06-17T02:31:24.247Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}