{"id":"CVE-2021-34425","aliases":["EUVD-2021-21083","GHSA-8737-w627-mrv7"],"status":"published","title":"Server Side Request Forgery in Zoom Client for Meetings chat","description":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\\'s \"link preview\" functionality. In versions prior to 5.7.3, if a user were to enable the chat\\'s \"link preview\" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00792,"percentile":0.56822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2021-12-14T19:25:59Z","modified":"2026-06-17T03:55:50Z","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_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34425"},{"url":"https://github.com/advisories/GHSA-8737-w627-mrv7"}],"sources":{"cve":[{"id":"CVE-2021-34425","title":"Server Side Request Forgery in Zoom Client for Meetings chat","description":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\\'s \"link preview\" functionality. In versions prior to 5.7.3, if a user were to enable the chat\\'s \"link preview\" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.","status":"published","published":"2021-12-14T19:25:59.088Z","modified":"2024-09-17T00:36:09.085Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21083","description":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\\'s \"link preview\" functionality. In versions prior to 5.7.3, if a user were to enable the chat\\'s \"link preview\" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.","status":"published","published":"2021-12-14T19:25:59Z","modified":"2024-09-17T00:36:09Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:57.378482Z"}],"ghsa":[{"id":"GHSA-8737-w627-mrv7","title":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows)...","description":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat’s “link preview” functionality. In versions prior to 5.7.3, if a user were to enable the chat’s “link preview” feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.","status":"published","published":"2021-12-15T00:00:41Z","modified":"2023-02-01T05:06:51Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:50:26.062502Z"}],"nvd":[{"id":"CVE-2021-34425","description":"The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\\'s \"link preview\" functionality. In versions prior to 5.7.3, if a user were to enable the chat\\'s \"link preview\" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.","status":"published","published":"2021-12-14T20:15:07.383Z","modified":"2026-06-17T03:55:50.277Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}