# CVE-2018-10592: Hardcoded credentials in STARDOM FCJ Controllers

> Hard-coded credentials in Yokogawa STARDOM controllers allow attackers to gain administrative access and execute remote code.

- **Severity:** Critical 9.8 (`CVSS:3.0/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:** 31 Jul 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-m6xr-cgmm-vx52

## What is CVE-2018-10592?

CVE-2018-10592 is a critical vulnerability in Yokogawa STARDOM FCJ Controllers, published on 31 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Yokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R4.02 and prior utilize hard-coded credentials that could allow an attacker to gain unauthorized administrative access to the device, which could result in remote code execution.

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

## Which versions are affected by CVE-2018-10592?

It affects 4 products.


Products: Yokogawa Fcj Firmware, Yokogawa Fcn-100 Firmware, Yokogawa Fcn-500 Firmware, Yokogawa Fcn-Rtu Firmware.

## How do I fix CVE-2018-10592?

No fix has been published for CVE-2018-10592 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-10592 being exploited?

There is no known exploitation of CVE-2018-10592 in the wild and no public exploit code.

## Other vulnerabilities in Yokogawa STARDOM FCJ Controllers

- [CVE-2018-17900](https://insights.sbomify.com/CVE-2018-17900/): Information disclosure in STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500 (critical 9.8)
- [CVE-2018-17896](https://insights.sbomify.com/CVE-2018-17896/): Hardcoded credentials in STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500 (high 8.1)
- [CVE-2018-17898](https://insights.sbomify.com/CVE-2018-17898/): Denial of service in STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500 (high 7.5)
- [CVE-2018-17902](https://insights.sbomify.com/CVE-2018-17902/): Denial of service in STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500 (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10592 and fix it if it is affected.

What it is: CVE-2018-10592 is a critical vulnerability in Yokogawa STARDOM FCJ Controllers, published on 31 Jul 2018. 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-2018-10592 in the wild and no public exploit code.

Affected product: Yokogawa STARDOM FCJ Controllers. 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-2018-10592/ (Markdown: https://insights.sbomify.com/CVE-2018-10592/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10592
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10592
- OSV: https://osv.dev/vulnerability/CVE-2018-10592

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-10592/
Summaries are generated and may contain mistakes; the official description above is the record.