CVE-2018-17896: yokogawa fcj_firmware Use of Hard-coded Credentials
Vulnerability summary
CVE-2018-17896 is a high (CVSS 9.3) Use of Hard-coded Credentials vulnerability in yokogawa fcj_firmware. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68.3% of scored vulnerabilities.
Timeline
- 12-10-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Yokogawa5 products
- fcj_firmware≤ r4.10
- fcn-100_firmware≤ r4.10
- fcn-500_firmware≤ r4.10
- fcn-rtu_firmware≤ r4.10
- stardom controllers fcj,fcn-100,fcn-rtu, fcn-500All versions prior to version X.X
1 vendor · 5 products
References
2 links- ics-cert.us-cert.gov/advisories/ICSA-18-151-03X Refsource MISCThird Party AdvisoryUS Government Resource