{"id":"CVE-2021-46840","aliases":["EUVD-2021-33495","GHSA-4ppq-669j-6f73"],"status":"published","title":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification...","description":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0053,"percentile":0.45176,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2022-10-14T00:00:00Z","modified":"2026-06-17T04:15:38Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2022/10/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46840"},{"url":"https://consumer.huawei.com/en/support/bulletin/2022/10"},{"url":"https://github.com/advisories/GHSA-4ppq-669j-6f73"}],"sources":{"cve":[{"id":"CVE-2021-46840","description":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.","status":"published","published":"2022-10-14T00:00:00Z","modified":"2025-05-15T15:11:48.84Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33495","description":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.","status":"published","published":"2022-10-14T00:00:00Z","modified":"2025-05-15T15:11:48Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T20:32:46.52057Z"}],"ghsa":[{"id":"GHSA-4ppq-669j-6f73","title":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification...","description":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.","status":"published","published":"2022-10-14T19:00:38Z","modified":"2025-05-15T18:32:35Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:02:18.914991Z"}],"nvd":[{"id":"CVE-2021-46840","description":"The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.","status":"published","published":"2022-10-14T16:15:12.303Z","modified":"2026-06-17T04:15:38.97Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}