{"id":"CVE-2021-46887","aliases":["EUVD-2021-33537","GHSA-mh78-7xw8-jc7w"],"status":"published","title":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this...","description":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.","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":"2026-11-10","score":0.00483,"percentile":0.41949,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-05-26T00:00:00Z","modified":"2026-06-17T04:15:45Z","products":[{"vendor":"huawei","product":"emui"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2023/5/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46887"},{"url":"https://consumer.huawei.com/en/support/bulletin/2023/5"},{"url":"https://github.com/advisories/GHSA-mh78-7xw8-jc7w"}],"sources":{"cve":[{"id":"CVE-2021-46887","description":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.","status":"published","published":"2023-05-26T00:00:00Z","modified":"2025-01-15T21:13:26.541Z","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":"adp"}],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33537","description":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.","status":"published","published":"2023-05-26T00:00:00Z","modified":"2025-01-15T21:13:26Z","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"}],"updated_at":"2026-11-03T00:04:18.582094Z"}],"ghsa":[{"id":"GHSA-mh78-7xw8-jc7w","title":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this...","description":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.","status":"published","published":"2023-05-26T18:30:21Z","modified":"2024-04-04T04:20:58Z","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"}],"updated_at":"2026-11-02T14:56:22.887174Z"}],"nvd":[{"id":"CVE-2021-46887","description":"Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.","status":"published","published":"2023-05-26T17:15:13.227Z","modified":"2026-06-17T04:15:45.063Z","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"},{"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":"secondary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}