{"id":"CVE-2019-20418","aliases":["EUVD-2019-10967","GHSA-g464-48x7-5h2h"],"status":"published","title":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent...","description":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01024,"percentile":0.63804,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-07-03T01:05:13Z","modified":"2026-06-17T02:30:23Z","products":[{"vendor":"atlassian","product":"jira"},{"vendor":"atlassian","product":"jira server"},{"vendor":"atlassian","product":"jira_software_data_center"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-70943","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20418"},{"url":"https://github.com/advisories/GHSA-g464-48x7-5h2h"}],"sources":{"cve":[{"id":"CVE-2019-20418","description":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.","status":"published","published":"2020-07-03T01:05:13.223Z","modified":"2024-09-16T18:19:35.652Z","updated_at":"2026-11-02T14:20:17.431882Z"}],"euvd":[{"id":"EUVD-2019-10967","description":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.","status":"published","published":"2020-07-03T01:05:13Z","modified":"2024-09-16T18:19:35Z","updated_at":"2026-11-03T00:55:33.363823Z"}],"ghsa":[{"id":"GHSA-g464-48x7-5h2h","title":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent...","description":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.","status":"published","published":"2022-05-24T17:22:22Z","modified":"2023-01-29T05:03:06Z","updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2019-20418","description":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.","status":"published","published":"2020-07-03T01:15:10.677Z","modified":"2026-06-17T02:30:23.99Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}