CVE-2023-25529

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-20 · updated 2026-06-17
Weakness: CWE-208

Description

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.

Affected products

NVIDIA DGX H100 BMC: before 23.08.18 — fixed in 23.08.18

How to fix

Upgrade to a fixed version: NVIDIA DGX H100 BMC 23.08.18. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5473
https://nvidia.custhelp.com/app/answers/detail/a_id/5510
https://nvidia.custhelp.com/app/answers/detail/a_id/5473
https://nvidia.custhelp.com/app/answers/detail/a_id/5510

Get alerted when CVE-2023-25529 or the next vulnerability affects your stack