What is CVE-2018-17900?

CVE-2018-17900 is a critical-severity vulnerability in Yokogawa Fcj, classified under Insufficiently Protected Credentials. CVSS score: 9.8/10. Published 2018-10-12.

How severe is CVE-2018-17900?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-17900 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Yokogawa Fcj

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.

EPSS: 0.019 (77.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yokogawa Fcj
Yokogawa Fcj_firmware
Yokogawa Fcn-100
Yokogawa Fcn-100_firmware
Yokogawa Fcn-500
Yokogawa Fcn-500_firmware
Yokogawa Fcn-rtu
Yokogawa Fcn-rtu_firmware
Yokogawa Stardom Controllers Fcj,fcn-100,fcn-rtu, Fcn-500 — versions All versions R4.10 and prior

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

Public proof-of-concept exploits

center-for-threat-informed-defense/attack_

References

ics-cert@hq.dhs.gov (x_refsource_CONFIRM, Vendor Advisory)
ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17900?: CVE-2018-17900 is a critical-severity vulnerability in Yokogawa Fcj, classified under Insufficiently Protected Credentials. CVSS score: 9.8/10. Published 2018-10-12.
How severe is CVE-2018-17900?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-17900 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.