{"id":"CVE-2020-13951","aliases":["GHSA-g37q-26qx-8v2m"],"url":"https://o3.security/vulnerability/CVE-2020-13951","summary":"Denial of service in Apache OpenMeetings","details":"Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.","published":"2020-09-30T18:15:21.257Z","modified":"2026-07-08T16:26:56.279682Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.70365,"percentile":0.99355,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.openmeetings:openmeetings-parent","fixedVersion":"5.1.0"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/160186/Apache-OpenMeetings-5.0.0-Denial-Of-Service.html"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/re2aed827cd24ae73cbc320e5808020c8d12c7b687ee861b27d728bbc%40%3Cuser.openmeetings.apache.org%3E"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:26:56.279682Z"}}