{"id":"CVE-2022-22787","aliases":["EUVD-2022-27930","GHSA-8jgr-9gc8-m8fm"],"status":"published","title":"Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings","description":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.03686,"percentile":0.89773,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2022-05-18T16:03:18Z","modified":"2026-06-17T04:29:02Z","products":[{"vendor":"zoom","product":"meetings"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for android"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for ios"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for linux"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for macos"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for windows"}],"references":[{"url":"https://explore.zoom.us/en/trust/security/security-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-22787"},{"url":"https://github.com/advisories/GHSA-8jgr-9gc8-m8fm"}],"sources":{"cve":[{"id":"CVE-2022-22787","title":"Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings","description":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.","status":"published","published":"2022-05-18T16:03:18.179Z","modified":"2024-09-17T04:14:00.754Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:34:26.645563Z"}],"euvd":[{"id":"EUVD-2022-27930","description":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.","status":"published","published":"2022-05-18T16:03:18Z","modified":"2024-09-17T04:14:00Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:28:24.821388Z"}],"ghsa":[{"id":"GHSA-8jgr-9gc8-m8fm","title":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0...","description":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.","status":"published","published":"2022-05-19T00:00:14Z","modified":"2023-01-28T05:04:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:44:15.993879Z"}],"nvd":[{"id":"CVE-2022-22787","description":"The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.","status":"published","published":"2022-05-18T17:15:08.63Z","modified":"2026-06-17T04:29:02.59Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:20.264424Z"}]}}