CVE-2018-17896 Hardcoded credentials in STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500

High 8.1 Published Updated

Hard-coded credentials in Yokogawa STARDOM controllers allow attackers to gain unauthorized access to maintenance functions during maintenance work.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-17896?

CVE-2018-17896 is a high-severity vulnerability in Yokogawa STARDOM Controllers FCJ,FCN-100,FCN-RTU, FCN-500, published on 12 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-798

Which versions are affected by CVE-2018-17896?

It affects 4 products.

Products include Yokogawa Fcj Firmware, Yokogawa Fcn-100 Firmware, Yokogawa Fcn-500 Firmware, Yokogawa Fcn-Rtu Firmware.

How do I fix CVE-2018-17896?

No fix has been published for CVE-2018-17896 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-17896 being exploited?

There is no known exploitation of CVE-2018-17896 in the wild and no public exploit code.

Sources

Also known as GHSA-xx3v-pjx9-qmj7.

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