Vulnerability CVE-2018-17896


Published: 2018-10-12

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.

Type:

CWE-798

Vendor: Yokogawa
Product: Fcj firmware 
Version: r4.10;
Product: Fcn-500 firmware 
Version: r4.10;
Product: Fcn-100 firmware 
Version: r4.10;
Product: Fcn-rtu firmware 
Version: r4.10;

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
https://ics-cert.us-cert.gov/advisories/ICSA-18-151-03
https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf

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