What is CVE-2023-25509?

CVE-2023-25509 is a medium-severity vulnerability in NVIDIA Dgx-1, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.0/10. Published 2023-04-22.

How severe is CVE-2023-25509?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Buffer overflow in NVIDIA Dgx-1

CVE-2023-25509

NVIDIA DGX-1 SBIOS contains a vulnerability in Bds, which may lead to code execution, denial of service, and escalation of privileges.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% 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-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Frequently asked questions

What is CVE-2023-25509?: CVE-2023-25509 is a medium-severity vulnerability in NVIDIA Dgx-1, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.0/10. Published 2023-04-22.
How severe is CVE-2023-25509?: Medium severity. CVSS v3 base score is 6.0 out of 10.