What is CVE-2024-4106?

CVE-2024-4106 is a medium-severity vulnerability in Yokogawa Electric Corporation Ci Server, classified under CWE-258. CVSS score: 5.3/10. Published 2024-06-26.

How severe is CVE-2024-4106?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Yokogawa Electric Corporation Ci Server

CVE-2024-4106

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

Published 2024-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.9th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Yokogawa Electric Corporation Ci Server — versions R1.01.00
Yokogawa Electric Corporation Fast/tools — versions R9.01

Weakness classification (CWE)

CWE-258

References

7168b535-132a-4efe-a076-338f829b2eb9 (vendor-advisory)

Frequently asked questions

What is CVE-2024-4106?: CVE-2024-4106 is a medium-severity vulnerability in Yokogawa Electric Corporation Ci Server, classified under CWE-258. CVSS score: 5.3/10. Published 2024-06-26.
How severe is CVE-2024-4106?: Medium severity. CVSS v3 base score is 5.3 out of 10.