{"id":"CVE-2023-49646","aliases":["EUVD-2023-53588","GHSA-786h-39x7-jgmj"],"status":"published","title":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated...","description":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00403,"percentile":0.34878,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-347"],"published":"2023-12-13T22:19:26Z","modified":"2026-11-02T22:41:19Z","products":[{"vendor":"zoom","product":"meeting_software_development_kit"},{"vendor":"zoom","product":"video_software_development_kit"},{"vendor":"zoom","product":"virtual_desktop_infrastructure"},{"vendor":"zoom","product":"zoom"},{"vendor":"zoom communications inc.","product":"zoom clients"},{"vendor":"zoom video communications, inc.","product":"zoom clients"}],"references":[{"url":"https://www.zoom.com/en/trust/security-bulletin/ZSB-23062/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49646"},{"url":"https://www.zoom.com/en/trust/security-bulletin/ZSB-23062"},{"url":"https://github.com/advisories/GHSA-786h-39x7-jgmj"}],"sources":{"cve":[{"id":"CVE-2023-49646","description":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.","status":"published","published":"2023-12-13T22:19:26.963Z","modified":"2026-11-02T22:41:19.198Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-03T00:01:30.510858Z"}],"euvd":[{"id":"EUVD-2023-53588","description":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.","status":"published","published":"2023-12-13T22:19:26Z","modified":"2026-11-02T22:41:19Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T05:08:36.239358Z"}],"ghsa":[{"id":"GHSA-786h-39x7-jgmj","title":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated...","description":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.","status":"published","published":"2023-12-14T00:30:26Z","modified":"2024-09-20T15:31:42Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-287","CWE-347"],"updated_at":"2026-11-02T14:58:18.610136Z"}],"nvd":[{"id":"CVE-2023-49646","description":"Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.","status":"published","published":"2023-12-13T23:15:08.357Z","modified":"2026-11-02T23:17:18.093Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-347","CWE-287"],"updated_at":"2026-11-03T06:40:49.610767Z"}]}}