CVE-2018-17900
Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The web application improperly protects credentials which could allow an attacker to obtain credentials for remote access to controllers.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The web application improperly protects credentials which could allow an attacker to obtain credentials for remote access to controllers.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.86% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Affected
- yokogawa/fcj firmware · yokogawa/fcn-100 firmware · yokogawa/fcn-rtu firmware · yokogawa/fcn-500 firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 1.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03Third Party Advisory, US Government Resource
- https://web-material3.yokogawa.com/YSAR-18-0007-E.pdfVendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03Third Party Advisory, US Government Resource
- https://web-material3.yokogawa.com/YSAR-18-0007-E.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.