# CVE-2024-4106

## Summary

- **CVE ID:** CVE-2024-4106
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-258
- **Published:** Jun 26, 2024
- **Last Modified:** Mar 13, 2026

## 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

## Affected Products

- Yokogawa Electric Corporation — FAST/TOOLS (R9.01)
- Yokogawa Electric Corporation — CI Server (R1.01.00)

## References

- [CNA](https://web-material3.yokogawa.com/1/36059/files/YSAR-24-0001-E.pdf)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.39%
- **EPSS Percentile:** 32.7

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._