{"id":"CVE-2023-0202","aliases":["EUVD-2023-12291","GHSA-6fqg-j6g5-mh37"],"status":"published","title":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of...","description":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00163,"percentile":0.05525,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2023-04-22T02:23:32Z","modified":"2026-06-17T05:25:01Z","products":[{"vendor":"nvidia","product":"dgx_a100_firmware"},{"vendor":"nvidia","product":"nvidia dgx servers"}],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5449","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0202"},{"url":"https://github.com/advisories/GHSA-6fqg-j6g5-mh37"}],"sources":{"cve":[{"id":"CVE-2023-0202","description":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.","status":"published","published":"2023-04-22T02:23:32.519Z","modified":"2025-02-04T19:16:02.121Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12291","description":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.","status":"published","published":"2023-04-22T02:23:32Z","modified":"2025-02-04T19:16:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:05.9572Z"}],"ghsa":[{"id":"GHSA-6fqg-j6g5-mh37","title":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of...","description":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.","status":"published","published":"2023-04-22T03:30:18Z","modified":"2024-04-04T03:38:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:56:16.933961Z"}],"nvd":[{"id":"CVE-2023-0202","description":"NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.","status":"published","published":"2023-04-22T03:15:09.203Z","modified":"2026-06-17T05:25:01.07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","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"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:07:56.683259Z"}]}}