{"id":"CVE-2021-34396","aliases":["EUVD-2021-21054","GHSA-52fh-662w-2pg3"],"status":"published","title":"Bootloader contains a vulnerability in access permission settings where unauthorized software may...","description":"Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.","severity":{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00197,"percentile":0.09468,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-06-22T21:25:32Z","modified":"2026-06-17T03:55:46Z","products":[{"vendor":"nvidia","product":"jetson_linux"},{"vendor":"nvidia","product":"nvidia jetson tx2 series, tx2 nx"}],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5205","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34396"},{"url":"https://github.com/advisories/GHSA-52fh-662w-2pg3"}],"sources":{"cve":[{"id":"CVE-2021-34396","description":"Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.","status":"published","published":"2021-06-22T21:25:32Z","modified":"2024-08-04T00:12:50.016Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21054","description":"Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.","status":"published","published":"2021-06-22T21:25:32Z","modified":"2024-08-04T00:12:50Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"updated_at":"2026-11-03T03:24:32.445199Z"}],"ghsa":[{"id":"GHSA-52fh-662w-2pg3","title":"Bootloader contains a vulnerability in access permission settings where unauthorized software may...","description":"Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.","status":"published","published":"2022-05-24T19:06:02Z","modified":"2023-01-27T05:02:59Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:08.614878Z"}],"nvd":[{"id":"CVE-2021-34396","description":"Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.","status":"published","published":"2021-06-22T22:15:09.4Z","modified":"2026-06-17T03:55:46.84Z","cvss":[{"version":"3.1","score":3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}