{"id":"CVE-2021-34419","aliases":["EUVD-2021-21077","GHSA-484c-hxgg-w2g4"],"status":"published","title":"HTML injection in Zoom Linux client","description":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00623,"percentile":0.5035,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2021-11-11T22:59:34Z","modified":"2026-06-17T03:55:49Z","products":[{"vendor":"zoom","product":"zoom_client_for_meetings"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for ubuntu linux"}],"references":[{"url":"https://explore.zoom.us/en/trust/security/security-bulletin","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34419"},{"url":"https://github.com/advisories/GHSA-484c-hxgg-w2g4"}],"sources":{"cve":[{"id":"CVE-2021-34419","title":"HTML injection in Zoom Linux client","description":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.","status":"published","published":"2021-11-11T22:59:34.701Z","modified":"2024-09-17T04:04:27.063Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21077","description":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.","status":"published","published":"2021-11-11T22:59:34Z","modified":"2024-09-17T04:04:27Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T00:28:26.235396Z"}],"ghsa":[{"id":"GHSA-484c-hxgg-w2g4","title":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection...","description":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.","status":"published","published":"2022-05-24T19:20:36Z","modified":"2023-01-30T05:03:49Z","cwes":["CWE-74"],"updated_at":"2026-11-02T14:46:55.198962Z"}],"nvd":[{"id":"CVE-2021-34419","description":"In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.","status":"published","published":"2021-11-11T23:15:09.667Z","modified":"2026-06-17T03:55:49.25Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}