# CVE-2022-21194: Hardcoded credentials in CENTUM VP

> Yokogawa industrial control products retain default internal Windows account passwords, allowing attackers to gain unauthorized access and escalate privileges.

- **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:** 11 Mar 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-27px-4rjc-4chg

## What is CVE-2022-21194?

CVE-2022-21194 is a critical vulnerability in Yokogawa Electric Corporation CENTUM VP, published on 11 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The following Yokogawa Electric products do not change the passwords of the internal Windows accounts from the initial configuration: CENTUM VP versions from R5.01.00 to R5.04.20 and versions from R6.01.00 to R6.08.0, Exaopc versions from R3.72.00 to R3.79.00.

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

## Which versions are affected by CVE-2022-21194?

It affects 3 products.


Products: Yokogawa Centum Vp Entry Firmware, Yokogawa Centum Vp Firmware, Yokogawa Exaopc.

## How do I fix CVE-2022-21194?

No fix has been published for CVE-2022-21194 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-21194 being exploited?

There is no known exploitation of CVE-2022-21194 in the wild and no public exploit code.

## Other vulnerabilities in Yokogawa Electric Corporation CENTUM VP

- [CVE-2022-23402](https://insights.sbomify.com/CVE-2022-23402/): Hardcoded credentials in CENTUM VP (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-21194 and fix it if it is affected.

What it is: CVE-2022-21194 is a critical vulnerability in Yokogawa Electric Corporation CENTUM VP, published on 11 Mar 2022. 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-2022-21194 in the wild and no public exploit code.

Affected product: Yokogawa Electric Corporation CENTUM VP. 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-2022-21194/ (Markdown: https://insights.sbomify.com/CVE-2022-21194/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-21194
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-21194
- OSV: https://osv.dev/vulnerability/CVE-2022-21194

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-21194/
Summaries are generated and may contain mistakes; the official description above is the record.