Auth bypass in NVIDIA Dgx A100
CVE-2022-42276
NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.
EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Nvidia Dgx_a100
- Nvidia Dgx_a100_firmware
- Nvidia Dgx Servers — versions All SBIOS firmware versions prior to 1.18
Weakness classification (CWE)
References
- psirt@nvidia.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-42276?
- CVE-2022-42276 is a high-severity vulnerability in NVIDIA Dgx A100, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2023-01-13.
- How severe is CVE-2022-42276?
- High severity. CVSS v3 base score is 7.5 out of 10.