{"id":"CVE-2023-49646","title":"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.","summary":"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":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-347"],"vendor":"Zoom Video Communications, Inc.","product":"Zoom Clients","affected":["zoom_clients See references"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T22:41:14.131531Z"},"published":"2023-12-13","updated":"2026-11-02","sourceUpdated":"2026-11-02T22:41:19.198Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-49646","references":[{"url":"https://www.zoom.com/en/trust/security-bulletin/ZSB-23062/"}],"tags":["cve.org"],"epss":0.00403,"epssPercentile":0.34713,"ingestedAt":"2026-11-05T19:30:42.882Z","slug":"CVE-2023-49646","body":"## Overview\n\nImproper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.\n\n## Affected\n\n- `zoom_clients See references`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}