# CVE-2021-22667: Hardcoded credentials in BB-ESWGP506-2SFP-T

> Hard-coded credentials in the BB-ESWGP506-2SFP-T switch allow attackers to gain unauthorized access and execute arbitrary code.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Feb 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-8m2w-rpr3-g4wf

## What is CVE-2021-22667?

CVE-2021-22667 is a critical vulnerability in BB-ESWGP506-2SFP-T, published on 24 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

BB-ESWGP506-2SFP-T versions 1.01.09 and prior is vulnerable due to the use of hard-coded credentials, which may allow an attacker to gain unauthorized access and permit the execution of arbitrary code on the BB-ESWGP506-2SFP-T (versions 1.01.01 and prior).

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2021-22667?

It affects 1 product.


Products: Advantech Bb-Eswgp506-2sfp-T Firmware.

## How do I fix CVE-2021-22667?

No fix has been published for CVE-2021-22667 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-22667 being exploited?

There is no known exploitation of CVE-2021-22667 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-22667 and fix it if it is affected.

What it is: CVE-2021-22667 is a critical vulnerability in BB-ESWGP506-2SFP-T, published on 24 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-22667 in the wild and no public exploit code.

Affected product: BB-ESWGP506-2SFP-T. 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-2021-22667/ (Markdown: https://insights.sbomify.com/CVE-2021-22667/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-22667
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-22667
- OSV: https://osv.dev/vulnerability/CVE-2021-22667

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-22667/
Summaries are generated and may contain mistakes; the official description above is the record.