What is CVE-2023-25529?

CVE-2023-25529 is a high-severity vulnerability in NVIDIA Dgx A100 Bmc, classified under CWE-208. CVSS score: 8.0/10. Published 2023-09-20.

How severe is CVE-2023-25529?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in NVIDIA Dgx A100 Bmc

CVE-2023-25529

NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A successful exploit of this vulnerability may lead to information disclosure, escalation of privileges, and data tampering.

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

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

NVIDIA Dgx A100 Bmc — versions All BMC versions prior to 00.22.05
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)
nvidia.custhelp.com/app/answers/detail/a_id/5510

Frequently asked questions

What is CVE-2023-25529?: CVE-2023-25529 is a high-severity vulnerability in NVIDIA Dgx A100 Bmc, classified under CWE-208. CVSS score: 8.0/10. Published 2023-09-20.
How severe is CVE-2023-25529?: High severity. CVSS v3 base score is 8.0 out of 10.