What is CVE-2023-0209?

CVE-2023-0209 is a high-severity vulnerability in NVIDIA Dgx-1, classified under Improper Authentication. CVSS score: 8.2/10. Published 2023-04-22.

How severe is CVE-2023-0209?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in NVIDIA Dgx-1

CVE-2023-0209

NVIDIA DGX-1 SBIOS contains a vulnerability in the Uncore PEI module, where authentication of the code executed by SSA is missing, which may lead to arbitrary code execution, denial of service, escalation of privileges assisted by a firmware implant, information disclosure assisted by a firmware implant, data tampering, and SecureBoot bypass.

Vulnerability class: Broken Authentication

Published 2023-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.3th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.3% 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-1
NVIDIA Dgx Servers — versions All SBIOS prior to S2W_3A13
NVIDIA Sbios

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

nvidia.custhelp.com/app/answers/detail/a_id/5458 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0209?: CVE-2023-0209 is a high-severity vulnerability in NVIDIA Dgx-1, classified under Improper Authentication. CVSS score: 8.2/10. Published 2023-04-22.
How severe is CVE-2023-0209?: High severity. CVSS v3 base score is 8.2 out of 10.