CVE-2023-25521: NVIDIA Dgx a100 Firmware

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

NVIDIA DGX A100/A800 contains a vulnerability in SBIOS where an attacker may cause execution with unnecessary privileges by leveraging a weakness whereby proper input parameter validation is not performed. A successful exploit of this vulnerability may lead to denial of service, information disclosure, and data tampering.

Affected products

• NVIDIA Dgx a100 Firmware: before 1.21 (fixed in 1.21)
• NVIDIA Dgx a800 Firmware: before 1.21 (fixed in 1.21)

Published 2023-07-04. Last modified 2026-06-17.