# CVE-2019-3717: Security feature bypass in Dell Client Commercial and Consumer platforms

> An attacker with physical access can bypass Secure Boot to run unsigned code on expansion cards during boot on Dell client platforms.

- **Severity:** High 7.1 (`CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Aug 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-72vg-39jq-h2mg

## What is CVE-2019-3717?

CVE-2019-3717 is a high-severity vulnerability in Dell Chengming 3980 Firmware, published on 5 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Select Dell Client Commercial and Consumer platforms contain an Improper Access Vulnerability. An unauthenticated attacker with physical access to the system could potentially bypass intended Secure Boot restrictions to run unsigned and untrusted code on expansion cards installed in the system during platform boot. Refer to https://www.dell.com/support/article/us/en/04/sln317683/dsa-2019-043-dell-client-improper-access-control-vulnerability?lang=en for versions affected by this vulnerability.

## Which versions are affected by CVE-2019-3717?

It affects 241 products.


Products: Dell Chengming 3967 Firmware, Dell Chengming 3977 Firmware, Dell Chengming 3980 Firmware, Dell Embedded Box Pc 5000 Firmware, Dell G3 3579 Firmware, Dell G3 3779 Firmware, Dell G5 5587 Firmware, Dell G5 5590 Firmware, Dell G7 7588 Firmware, Dell G7 7590 Firmware, Dell G7 7790 Firmware, Dell Inspiron 3153 Firmware, Dell Inspiron 3158 Firmware, Dell Inspiron 3268 Firmware, Dell Inspiron 3458 Firmware, Dell Inspiron 3459 Firmware, Dell Inspiron 3467 Firmware, Dell Inspiron 3468 Firmware, Dell Inspiron 3470 Firmware, Dell Inspiron 3476 Firmware and 221 more.

## How do I fix CVE-2019-3717?

No fix has been published for CVE-2019-3717 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-3717 being exploited?

There is no known exploitation of CVE-2019-3717 in the wild and no public exploit code.

## Other vulnerabilities in Dell Chengming 3980 Firmware

- [CVE-2020-5362](https://insights.sbomify.com/CVE-2020-5362/): Missing authorization in Dell Client Consumer and Commercial platforms (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-3717 and fix it if it is affected.

What it is: CVE-2019-3717 is a high-severity vulnerability in Dell Chengming 3980 Firmware, published on 5 Aug 2019. 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-2019-3717 in the wild and no public exploit code.

Affected product: Dell Chengming 3980 Firmware. 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-2019-3717/ (Markdown: https://insights.sbomify.com/CVE-2019-3717/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3717
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3717
- OSV: https://osv.dev/vulnerability/CVE-2019-3717

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-3717/
Summaries are generated and may contain mistakes; the official description above is the record.