# CVE-2022-29083: Auth bypass in CPG BIOS

> An unauthenticated attacker with physical access can bypass drive security mechanisms in Dell BIOS to gain system access.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 9 Aug 2022
- **Updated:** 14 Apr 2026
- **Also known as:** GHSA-gq7w-5v6q-h6vc

## What is CVE-2022-29083?

CVE-2022-29083 is a medium-severity authentication bypass vulnerability in Dell Chengming 3980 Firmware, published on 9 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Prior Dell BIOS versions contain an Improper Authentication vulnerability. An unauthenticated attacker with physical access to the system could potentially exploit this vulnerability by bypassing drive security mechanisms in order to gain access to the system.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2022-29083?

It affects 108 products.


Products: Dell Chengming 3980 Firmware, Dell Chengming 3990 Firmware, Dell Chengming 3991 Firmware, Dell G3 3579 Firmware, Dell G3 3779 Firmware, Dell G5 5000 Firmware, Dell G5 5090 Firmware, Dell G5 5587 Firmware, Dell G7 7588 Firmware, Dell Inspiron 3470 Firmware, Dell Inspiron 3480 Firmware, Dell Inspiron 3493 Firmware, Dell Inspiron 3501 Firmware, Dell Inspiron 3580 Firmware, Dell Inspiron 3593 Firmware, Dell Inspiron 3670 Firmware, Dell Inspiron 3780 Firmware, Dell Inspiron 3790 Firmware, Dell Inspiron 3793 Firmware, Dell Inspiron 3880 Firmware and 88 more.

## How do I fix CVE-2022-29083?

No fix has been published for CVE-2022-29083 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-29083 being exploited?

There is no known exploitation of CVE-2022-29083 in the wild and no public exploit code.

## Other vulnerabilities in Dell Chengming 3980 Firmware

- [CVE-2020-5326](https://insights.sbomify.com/CVE-2020-5326/): Auth bypass in Dell Client Consumer and Commercial Platforms (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-29083 and fix it if it is affected.

What it is: CVE-2022-29083 is a medium-severity authentication bypass vulnerability in Dell Chengming 3980 Firmware, published on 9 Aug 2022. 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-2022-29083 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-2022-29083/ (Markdown: https://insights.sbomify.com/CVE-2022-29083/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-29083
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-29083
- OSV: https://osv.dev/vulnerability/CVE-2022-29083

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-29083/
Summaries are generated and may contain mistakes; the official description above is the record.