{"id":"CVE-2021-40017","aliases":["EUVD-2021-27207","GHSA-vcvc-5hq6-cvwr"],"status":"published","title":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of...","description":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00667,"percentile":0.52312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20"],"published":"2022-09-16T00:00:00Z","modified":"2026-06-17T04:06:24Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845","tags":["x_transferred","Vendor Advisory"]},{"url":"https://consumer.huawei.com/en/support/bulletin/2022/10/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40017"},{"url":"https://github.com/advisories/GHSA-vcvc-5hq6-cvwr"}],"sources":{"cve":[{"id":"CVE-2021-40017","description":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.","status":"published","published":"2022-09-16T00:00:00Z","modified":"2024-08-04T02:27:30.453Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27207","description":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.","status":"published","published":"2022-09-16T00:00:00Z","modified":"2024-08-04T02:27:30Z","updated_at":"2026-11-03T03:24:21.368958Z"}],"ghsa":[{"id":"GHSA-vcvc-5hq6-cvwr","title":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of...","description":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.","status":"published","published":"2022-09-17T00:00:32Z","modified":"2023-01-28T05:05:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:44:20.965343Z"}],"nvd":[{"id":"CVE-2021-40017","description":"The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.","status":"published","published":"2022-09-16T18:15:11.457Z","modified":"2026-06-17T04:06:24.053Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}