# CVE-2020-5362: Missing authorization in Dell Client Consumer and Commercial platforms

> Local attackers with admin privileges can bypass BIOS authentication to reset configuration to defaults on Dell platforms.

- **Severity:** High 7.1 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Jun 2020
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-xgch-xjh8-4m78

## What is CVE-2020-5362?

CVE-2020-5362 is a high-severity missing authorization vulnerability in Dell Chengming 3980 Firmware, published on 10 Jun 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Dell Client Consumer and Commercial platforms include an improper authorization vulnerability in the Dell Manageability interface for which an unauthorized actor, with local system access with OS administrator privileges, could bypass the BIOS Administrator authentication to restore BIOS Setup configuration to default values.

Weakness: CWE-862 (Missing Authorization), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2020-5362?

It affects 354 products.


Products: Dell Chengming 3967 Firmware, Dell Chengming 3977 Firmware, Dell Chengming 3980 Firmware, Dell Chengming 3988 Firmware, Dell Chengming 3990 Firmware, Dell Chengming 3991 Firmware, Dell Embedded Box Pc 5000 Firmware, Dell G3 15 3500 Firmware, Dell G3 15 3590 Firmware, Dell G3 3579 Firmware, Dell G3 3779 Firmware, Dell G5 15 5500 Firmware, Dell G5 15 5590 Firmware, Dell G5 5090 Firmware, Dell G5 5587 Firmware, Dell G7 15 7590 Firmware, Dell G7 17 7790 Firmware, Dell G7 7588 Firmware, Dell Inspiron 11 2-in-1 3153 Firmware, Dell Inspiron 11 2-in-1 3158 Firmware and 334 more.

## How do I fix CVE-2020-5362?

No fix has been published for CVE-2020-5362 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-5362 being exploited?

There is no known exploitation of CVE-2020-5362 in the wild and no public exploit code.

## Other vulnerabilities in Dell Chengming 3980 Firmware

- [CVE-2019-3717](https://insights.sbomify.com/CVE-2019-3717/): Security feature bypass in Dell Client Commercial and Consumer platforms (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-5362 and fix it if it is affected.

What it is: CVE-2020-5362 is a high-severity missing authorization vulnerability in Dell Chengming 3980 Firmware, published on 10 Jun 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-5362 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-2020-5362/ (Markdown: https://insights.sbomify.com/CVE-2020-5362/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-5362
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-5362
- OSV: https://osv.dev/vulnerability/CVE-2020-5362

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-5362/
Summaries are generated and may contain mistakes; the official description above is the record.