{"id":"CVE-2021-34388","aliases":["EUVD-2021-21046","GHSA-26vc-7jr9-jq6g"],"status":"published","title":"Bootloader contains a vulnerability in NVIDIA MB2 where a potential heap overflow might allow an...","description":"Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code execution.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00237,"percentile":0.14827,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-06-21T21:35:17Z","modified":"2026-06-17T03:55:45Z","products":[{"vendor":"nvidia","product":"jetson_linux"},{"vendor":"nvidia","product":"nvidia jetson tx1, tx2 series, tx2 nx, agx xavier series, xavier nx, nano and nano 2gb"}],"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-2021-34388"},{"url":"https://github.com/advisories/GHSA-26vc-7jr9-jq6g"}],"sources":{"cve":[{"id":"CVE-2021-34388","description":"Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code execution.","status":"published","published":"2021-06-21T21:35:17Z","modified":"2024-08-04T00:12:49.987Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21046","description":"Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code execution.","status":"published","published":"2021-06-21T21:35:17Z","modified":"2024-08-04T00:12:49Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T03:24:32.445199Z"}],"ghsa":[{"id":"GHSA-26vc-7jr9-jq6g","title":"Bootloader contains a vulnerability in NVIDIA MB2 where a potential heap overflow might allow an...","description":"Bootloader contains a vulnerability in NVIDIA MB2 where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code execution.","status":"published","published":"2022-05-24T19:05:59Z","modified":"2023-01-29T05:07:06Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:09.170985Z"}],"nvd":[{"id":"CVE-2021-34388","description":"Bootloader contains a vulnerability in NVIDIA TegraBoot where a potential heap overflow might allow an attacker to control all the RAM after the heap block, leading to denial of service or code execution.","status":"published","published":"2021-06-21T22:15:07.76Z","modified":"2026-06-17T03:55:45.97Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}