{"id":"CVE-2023-28326","aliases":["EUVD-2023-0853","GHSA-3r48-3m8r-4r9w"],"status":"published","title":"Apache OpenMeetings: allows user impersonation","description":"Vendor: The Apache Software Foundation\n\nVersions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0\n\nDescription: Attacker can elevate their privileges in any room","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01262,"percentile":0.69901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-306"],"published":"2023-03-28T12:36:11Z","modified":"2026-10-28T02:30:21Z","fixes":[{"ecosystem":"Maven","package":"org.apache.openmeetings:openmeetings-parent","fixed_in":["7.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.openmeetings:openmeetings-parent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"7.0.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.openmeetings:openmeetings-parent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"7.0.0"}]}],"versions":["3.1.2","3.1.3","3.1.4","3.1.5","3.2.0","3.2.1","3.3.0","3.3.1","3.3.2","4.0.0","4.0.1","4.0.10","4.0.11","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.0.9","5.0.0","5.0.0-M1","5.0.0-M2","5.0.0-M3","5.0.0-M4","5.1.0","6.2.0","6.3.0"]}],"products":[{"vendor":"apache","product":"openmeetings"},{"vendor":"apache software foundation","product":"apache openmeetings"}],"references":[{"url":"https://lists.apache.org/thread/r9vn12dp5yofn1h3wd5x4h7c3vmmr5d9","tags":["vendor-advisory","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28326","tags":["advisory"]},{"url":"https://github.com/apache/openmeetings/commit/1fb71af36","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3r48-3m8r-4r9w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28326.json","tags":["advisory"]},{"url":"https://github.com/apache/openmeetings","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-28326","title":"Apache OpenMeetings: allows user impersonation","description":"Vendor: The Apache Software Foundation\n\nVersions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0\n\nDescription: Attacker can elevate their privileges in any room\n\n\n","status":"published","published":"2023-03-28T12:36:11.566Z","modified":"2024-10-23T15:13:50.704Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-0853","description":"Vendor: The Apache Software Foundation\n\nVersions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0\n\nDescription: Attacker can elevate their privileges in any room\n\n\n","status":"published","published":"2023-03-28T12:36:11Z","modified":"2024-10-23T15:13:50Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:05:21.011532Z"}],"ghsa":[{"id":"GHSA-3r48-3m8r-4r9w","title":"Apache OpenMeetings missing authentication and can allow user impersonation ","description":"The Apache Software Foundation's OpenMeetings from 2.0.0 before 7.0.0 is missing authentication on meeting invitation URLs. An invitation URL contains a hash that automatically logs in as the invited user. An unauthorized user could obtain this URL and log in to the meeting as an invited user, in effect elevating their privileges in the meeting room. OpenMeetings 7.0.0 disables this option if a contact is not selected. ","status":"published","published":"2023-03-28T15:30:18Z","modified":"2023-04-04T17:38:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:36:49.768564Z"}],"nvd":[{"id":"CVE-2023-28326","description":"Vendor: The Apache Software Foundation\n\nVersions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0\n\nDescription: Attacker can elevate their privileges in any room\n\n\n","status":"published","published":"2023-03-28T13:15:07.153Z","modified":"2026-06-17T05:47:26.55Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:51.883939Z"}],"osv":[{"id":"CVE-2023-28326","title":"Apache OpenMeetings: allows user impersonation","description":"Vendor: The Apache Software Foundation\n\nVersions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0\n\nDescription: Attacker can elevate their privileges in any room\n\n\n","status":"published","published":"2023-03-28T12:36:11.566Z","modified":"2026-10-28T02:30:21.999068356Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:44:31.468318Z"},{"id":"GHSA-3r48-3m8r-4r9w","title":"Apache OpenMeetings missing authentication and can allow user impersonation ","description":"The Apache Software Foundation's OpenMeetings from 2.0.0 before 7.0.0 is missing authentication on meeting invitation URLs. An invitation URL contains a hash that automatically logs in as the invited user. An unauthorized user could obtain this URL and log in to the meeting as an invited user, in effect elevating their privileges in the meeting room. OpenMeetings 7.0.0 disables this option if a contact is not selected. ","status":"published","published":"2023-03-28T15:30:18Z","modified":"2023-11-08T04:12:09.8382Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}