What is CVE-2018-17898?

CVE-2018-17898 is a high-severity vulnerability in Yokogawa Fcj, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-10-12.

How severe is CVE-2018-17898?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Yokogawa Fcj

CVE-2018-17898

Yokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhaustion by unauthorized requests. This could allow an attacker to cause the controller to become unstable.

Vulnerability class: DoS (Denial of Service)

Published 2018-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Yokogawa Fcj
Yokogawa Fcj Firmware
Yokogawa Fcn-100
Yokogawa Fcn-100 Firmware
Yokogawa Fcn-500
Yokogawa Fcn-500 Firmware
Yokogawa Fcn-Rtu
Yokogawa Fcn-Rtu Firmware
Yokogawa Stardom Controllers Fcj,fcn-100,fcn-Rtu, Fcn-500 — versions All versions R4.10 and prior

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

web-material3.yokogawa.com/YSAR-18-0007-E.pdf (Vendor Advisory)
ics-cert.us-cert.gov/advisories/ICSA-18-151-03 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17898?: CVE-2018-17898 is a high-severity vulnerability in Yokogawa Fcj, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-10-12.
How severe is CVE-2018-17898?: High severity. CVSS v3 base score is 7.5 out of 10.