What is CVE-2023-25528?

CVE-2023-25528 is a high-severity vulnerability in NVIDIA Dgx H100, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2023-09-20.

How severe is CVE-2023-25528?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in NVIDIA Dgx H100

CVE-2023-25528

NVIDIA DGX H100 baseboard management controller (BMC) contains a vulnerability in a web server plugin, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this vulnerability may lead to arbitrary code execution, denial of service, information disclosure, and data tampering.

Vulnerability class: Buffer Overflow

Published 2023-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

NVIDIA Dgx H100
NVIDIA Dgx H100 Bmc — versions All versions prior to 23.08.07
NVIDIA Dgx H100 Firmware

Weakness classification (CWE)

References

nvidia.custhelp.com/app/answers/detail/a_id/5473 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-25528?: CVE-2023-25528 is a high-severity vulnerability in NVIDIA Dgx H100, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2023-09-20.
How severe is CVE-2023-25528?: High severity. CVSS v3 base score is 8.8 out of 10.