{"id":"CVE-2019-13449","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-13449","generatedAt":"2026-10-29T03:02:58.439Z","title":"In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.","description":"In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.","published":"2019-07-09T06:15:10.000Z","lastModified":"2026-06-17T02:16:46.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-20"],"affected":["zoom/zoom"],"epss":{"score":0.01997,"percentile":0.80624,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.00%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=951540","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5","source":"cve@mitre.org"},{"url":"https://twitter.com/zoom_us/status/1148710712241295361","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=951540","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/zoom_us/status/1148710712241295361","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-13449","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}