{"id":"CVE-2019-13450","aliases":["EUVD-2019-4923","GHSA-c4j7-2cr9-cc3g"],"status":"published","title":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can...","description":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0351,"percentile":0.89286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2019-07-09T05:49:07Z","modified":"2026-06-17T02:16:46Z","products":[{"vendor":"ringcentral","product":"ringcentral"},{"vendor":"zoom","product":"zoom"}],"references":[{"url":"https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://news.ycombinator.com/item?id=20387298","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://twitter.com/moreati/status/1148548799813640193","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/109082","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://twitter.com/zoom_us/status/1148710712241295361","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=951540","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13450"},{"url":"https://medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5"},{"url":"https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern"},{"url":"https://github.com/advisories/GHSA-c4j7-2cr9-cc3g"}],"sources":{"cve":[{"id":"CVE-2019-13450","description":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.","status":"published","published":"2019-07-09T05:49:07Z","modified":"2024-08-04T23:49:25.076Z","updated_at":"2026-11-02T14:20:24.357095Z"}],"euvd":[{"id":"EUVD-2019-4923","description":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.","status":"published","published":"2019-07-09T05:49:07Z","modified":"2024-08-04T23:49:25Z","updated_at":"2026-11-03T02:40:42.441902Z"}],"ghsa":[{"id":"GHSA-c4j7-2cr9-cc3g","title":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can...","description":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.","status":"published","published":"2022-05-24T16:49:49Z","modified":"2024-04-04T01:13:27Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:55:56.17809Z"}],"nvd":[{"id":"CVE-2019-13450","description":"In the Zoom Client through 4.4.4 and RingCentral 7.0.136380.0312 on macOS, remote attackers can force a user to join a video call with the video camera active. This occurs because any web site can interact with the Zoom web server on localhost port 19421 or 19424. NOTE: a machine remains vulnerable if the Zoom Client was installed in the past and then uninstalled. Blocking exploitation requires additional steps, such as the ZDisableVideo preference and/or killing the web server, deleting the ~/.zoomus directory, and creating a ~/.zoomus plain file.","status":"published","published":"2019-07-09T06:15:10.82Z","modified":"2026-06-17T02:16:46.303Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:05:19.195714Z"}]}}