# CVE-2020-5326: Auth bypass in Dell Client Consumer and Commercial Platforms

> Attackers with physical access can bypass BIOS admin password protection to modify configuration settings via the iRST Manager menu.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 21 Feb 2020
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-54w5-fqwp-fvm2

## What is CVE-2020-5326?

CVE-2020-5326 is a medium-severity authentication bypass vulnerability in Dell Chengming 3980 Firmware, published on 21 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Affected Dell Client platforms contain a BIOS Setup configuration authentication bypass vulnerability in the pre-boot Intel Rapid Storage Response Technology (iRST) Manager menu. An attacker with physical access to the system could perform unauthorized changes to the BIOS Setup configuration settings without requiring the BIOS Admin password by selecting the Optimized Defaults option in the pre-boot iRST Manager.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2020-5326?

It affects 174 products.


Products: Dell Chengming 3980 Firmware, Dell Embedded Box Pc 5000 Firmware, Dell G3 3579 Firmware, Dell G3 3590 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 14 Gaming 7466 Firmware, Dell Inspiron 14 Gaming 7467 Firmware, Dell Inspiron 15 7572 Firmware, Dell Inspiron 15 Gaming 7566 Firmware, Dell Inspiron 15 Gaming 7567 Firmware, Dell Inspiron 15 Gaming 7577 Firmware, Dell Inspiron 3470 Firmware, Dell Inspiron 3480 Firmware, Dell Inspiron 3481 Firmware, Dell Inspiron 3580 Firmware and 154 more.

## How do I fix CVE-2020-5326?

No fix has been published for CVE-2020-5326 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-5326 being exploited?

There is no known exploitation of CVE-2020-5326 in the wild and no public exploit code.

## Other vulnerabilities in Dell Chengming 3980 Firmware

- [CVE-2022-29083](https://insights.sbomify.com/CVE-2022-29083/): Auth bypass in CPG BIOS (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-5326 and fix it if it is affected.

What it is: CVE-2020-5326 is a medium-severity authentication bypass vulnerability in Dell Chengming 3980 Firmware, published on 21 Feb 2020. 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-2020-5326 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-2020-5326/ (Markdown: https://insights.sbomify.com/CVE-2020-5326/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-5326
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-5326
- OSV: https://osv.dev/vulnerability/CVE-2020-5326

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-5326/
Summaries are generated and may contain mistakes; the official description above is the record.