# CVE-2021-0096: Auth bypass in Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN

> An authenticated local user can exploit improper authentication in the Intel NUC HDMI Firmware Update Tool to escalate privileges.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-r5pv-f644-mx32

## What is CVE-2021-0096?

CVE-2021-0096 is a high-severity authentication bypass vulnerability in Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN, published on 17 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Improper authentication in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN before version 1.78.1.1 may allow an authenticated user to potentially enable escalation of privilege via local access.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2021-0096?

It affects 3 products.


Products: Intel Nuc7i3dn Firmware, Intel Nuc7i5dn Firmware, Intel Nuc7i7dn Firmware.

## How do I fix CVE-2021-0096?

No fix has been published for CVE-2021-0096 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-0096 being exploited?

There is no known exploitation of CVE-2021-0096 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-0096 and fix it if it is affected.

What it is: CVE-2021-0096 is a high-severity authentication bypass vulnerability in Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN, published on 17 Nov 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-2021-0096 in the wild and no public exploit code.

Affected product: Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN. 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-2021-0096/ (Markdown: https://insights.sbomify.com/CVE-2021-0096/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-0096
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-0096
- OSV: https://osv.dev/vulnerability/CVE-2021-0096

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-0096/
Summaries are generated and may contain mistakes; the official description above is the record.