# CVE-2021-34396: Missing authorization in NVIDIA Jetson TX2 series, TX2 NX

> Unauthorized software can overwrite NVIDIA MB2 code due to improper access permissions, causing limited denial of service on Jetson devices.

- **Severity:** Low 3.0 (`CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Jun 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-52fh-662w-2pg3

## What is CVE-2021-34396?

CVE-2021-34396 is a low-severity missing authorization vulnerability in NVIDIA Jetson TX2 series, TX2 NX, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Bootloader contains a vulnerability in access permission settings where unauthorized software may be able to overwrite NVIDIA MB2 code, which would result in limited denial of service.

## Which versions are affected by CVE-2021-34396?

It affects 1 product.


Products: Nvidia Jetson Linux.

## How do I fix CVE-2021-34396?

No fix has been published for CVE-2021-34396 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-34396 being exploited?

There is no known exploitation of CVE-2021-34396 in the wild and no public exploit code.

## Other vulnerabilities in NVIDIA Jetson TX2 series, TX2 NX

- [CVE-2024-0108](https://insights.sbomify.com/CVE-2024-0108/): Memory corruption in NVIDIA Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson TX1, Jetson Nano series (high 8.7)
- [CVE-2026-24148](https://insights.sbomify.com/CVE-2026-24148/): Misconfiguration in Jetson Xavier Series and Jetson Orin Series (high 8.3)
- [CVE-2021-34372](https://insights.sbomify.com/CVE-2021-34372/): Integer overflow in NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, Xavier NX (high 8.2)
- [CVE-2022-42269](https://insights.sbomify.com/CVE-2022-42269/): Information disclosure in Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX1, Jetson TX2 series, Jetson TX2 NX (high 7.9)
- [CVE-2021-34373](https://insights.sbomify.com/CVE-2021-34373/): Memory corruption in NVIDIA Jetson TX1 (high 7.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-34396 and fix it if it is affected.

What it is: CVE-2021-34396 is a low-severity missing authorization vulnerability in NVIDIA Jetson TX2 series, TX2 NX, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-34396 in the wild and no public exploit code.

Affected product: NVIDIA Jetson TX2 series, TX2 NX. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-34396/ (Markdown: https://insights.sbomify.com/CVE-2021-34396/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-34396
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-34396
- OSV: https://osv.dev/vulnerability/CVE-2021-34396

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-34396/
Summaries are generated and may contain mistakes; the official description above is the record.