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Vulnerability record · CVE-2018-17902 · published 12 October 2018

CVE-2018-17902: Yokogawa fcj firmware vulnerability

Yokogawa · Fcj Firmware

Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The application utilizes multiple methods of session management which could result in a denial of service to the remote management functions.

5.3 CVSS 3.0 Medium EPSS 1.1% · top 35.5% CWE-384 · CWE-384
5.3CVSS 3.0 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The application utilizes multiple methods of session management which could result in a denial of service to the remote management functions.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03 Third Party AdvisoryUS Government Resource
https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03 Third Party AdvisoryUS Government Resource
https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-17900Yokogawa fcj firmware insufficiently protected credentials vulnerabilityYokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The web application improperly protects credentials which …EPSS 1.9%9.8CVE-2018-10592Yokogawa fcj firmware hard-coded credentials vulnerabilityYokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R…EPSS 6.9%8.1CVE-2018-17896Yokogawa fcj firmware hard-coded credentials vulnerabilityYokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The affected controllers utilize hard-coded credentials wh…EPSS 1.2%7.5CVE-2018-17898Yokogawa fcj firmware uncontrolled resource consumption vulnerabilityYokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhausti…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2018-17902), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.