{"id":"CVE-2021-42205","aliases":["EUVD-2021-29187","GHSA-rpr6-4jj7-qxhw"],"status":"published","title":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple...","description":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00269,"percentile":0.19281,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-703"],"published":"2022-11-07T00:00:00Z","modified":"2026-06-17T04:09:28Z","exploits":[{"source":"pocgithub","id":"gmh5225/CVE-2021-42205","title":"gmh5225/CVE-2021-42205","date":"2023-01-01","url":"https://github.com/gmh5225/CVE-2021-42205"}],"products":[{"vendor":"lenovo","product":"elan_miniport_touchpad_driver"}],"references":[{"url":"https://www.emc.com.tw/upload/F2E/Vulnerability%20Report/Vulnerability%20Report_Miniport%20touchpad%20Windows%20driver_20221107.pdf","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42205"},{"url":"https://github.com/advisories/GHSA-rpr6-4jj7-qxhw"}],"sources":{"cve":[{"id":"CVE-2021-42205","description":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.","status":"published","published":"2022-11-07T00:00:00Z","modified":"2025-05-02T18:36:23.425Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-29187","description":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.","status":"published","published":"2022-11-07T00:00:00Z","modified":"2025-05-02T18:36:23Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:51:55.340761Z"}],"ghsa":[{"id":"GHSA-rpr6-4jj7-qxhw","title":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple...","description":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.","status":"published","published":"2022-11-07T19:00:19Z","modified":"2025-05-02T21:30:38Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T15:02:06.423076Z"}],"nvd":[{"id":"CVE-2021-42205","description":"ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.","status":"published","published":"2022-11-07T16:15:10.187Z","modified":"2026-06-17T04:09:28.617Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}