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.

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.

Published 2023-01-13 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.002 (7.5th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

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

nvidia.custhelp.com/app/answers/detail/a_id/5435 (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.