CVE-2018-17896 json
Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The affected controllers utilize hard-coded cred…
published 2018-10-12 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9637
- cvss
- 8.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The affected controllers utilize hard-coded credentials which may allow an attacker gain unauthorized access to the maintenance functions and obtain or modify information. This attack can be executed only during maintenance work.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-18-151-03 updated cvss 8.3
Yokogawa STARDOM Controllers (Update A)
-
Yokogawa STARDOM Controller FCJ <=(R4.10), <=(R4.02) Yokogawa STARDOM Controller FCN-100 <=(R4.02), <=(R4.10) Yokogawa STARDOM Controller FCN-500 <=(R4.02), <=(R4.10) Yokogawa STARDOM Controller FCN-RTU <=(R4.10), <=(R4.02)affected: mitigation “Yokogawa recommends users with questions related to this report (or on obtaining the updates) please utilize the product inquiry contact details” yokogawa.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Yokogawa STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
web-material3.yokogawa.com
/YSAR-18-0007-E.pdf
vendor-advisory
-
ics-cert.us-cert.gov
/advisories/ICSA-18-151-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2018-17896
- NVD CVE-2018-17896
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