# CVE-2021-0197: Security feature bypass in Intel(R) Ethernet Network Controller E810

> A privileged local user can bypass protection mechanisms in Intel E810 firmware to cause a denial of service.

- **Severity:** Medium 4.4 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`)
- **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:** 17 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-2788-j269-m3qw

## What is CVE-2021-0197?

CVE-2021-0197 is a medium-severity vulnerability in Intel(R) Ethernet Network Controller E810, 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

Protection mechanism failure in the firmware for the Intel(R) Ethernet Network Controller E810 before version 1.5.5.6 may allow a privileged user to enable a denial of service via local access.

## Which versions are affected by CVE-2021-0197?

It affects 3 products.


Products: Intel Ethernet Network Controller E810-Cam1 Firmware, Intel Ethernet Network Controller E810-Cam2 Firmware, Intel Ethernet Network Controller E810-Xxvam2 Firmware.

## How do I fix CVE-2021-0197?

No fix has been published for CVE-2021-0197 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-0197 being exploited?

There is no known exploitation of CVE-2021-0197 in the wild and no public exploit code.

## Other vulnerabilities in Intel(R) Ethernet Network Controller E810

- [CVE-2023-22276](https://insights.sbomify.com/CVE-2023-22276/): Race condition in Intel(R) Ethernet Controllers and Adapters E810 Series (medium 6.5)
- [CVE-2021-0198](https://insights.sbomify.com/CVE-2021-0198/): Denial of service in Intel(R) Ethernet Network Controller E810 (medium 4.4)
- [CVE-2021-0199](https://insights.sbomify.com/CVE-2021-0199/): Denial of service in Intel(R) Ethernet Network Controller E810 (medium 4.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-0197 and fix it if it is affected.

What it is: CVE-2021-0197 is a medium-severity vulnerability in Intel(R) Ethernet Network Controller E810, 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-2021-0197 in the wild and no public exploit code.

Affected product: Intel(R) Ethernet Network Controller E810. 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-2021-0197/ (Markdown: https://insights.sbomify.com/CVE-2021-0197/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-0197
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-0197
- OSV: https://osv.dev/vulnerability/CVE-2021-0197

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-0197/
Summaries are generated and may contain mistakes; the official description above is the record.