CVE-2018-17900

moderate-risk

Published 2018-10-12

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.

Do I need to act?

0.26% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (4)

Fcj Firmware

Fcn-100 Firmware

Fcn-Rtu Firmware

Fcn-500 Firmware

Affected Vendors

Yokogawa

References (4)

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03

Vendor Advisory https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03

Vendor Advisory https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf

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moderate-risk

Severity 32/34 · Critical

Exploitability 1/34 · Minimal

Exposure 10/34 · Low