A vulnerability of Uncontrolled Resource Consumption has been identified in STARDOM provided by Yokogawa Electric Corporation. This vulnerability may allow to a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a crafted packet. While sending the packet, the maintenance homepage of the controller could not be accessed. Therefore, functions of the maintenance homepage, changing configuration, viewing logs, etc. are not available. But the controller’s operation is not stopped by the condition. The affected products and versions are as follows: STARDOM FCN/FCJ R1.01 to R4.31.

Use of hard-coded credentials vulnerability exists in STARDOM FCN Controller and FCJ Controller R4.10 to R4.31, which may allow an attacker with an administrative privilege to read/change configuration settings or update the controller with tampered firmware.

Cleartext transmission of sensitive information vulnerability exists in STARDOM FCN Controller and FCJ Controller R1.01 to R4.31, which may allow an adjacent attacker to login the affected products and alter device configuration settings or tamper with device firmware.

Buffer overflow in the license management function of YOKOGAWA products (iDefine for ProSafe-RS R1.16.3 and earlier, STARDOM VDS R7.50 and earlier, STARDOM FCN/FCJ Simulator R4.20 and earlier, ASTPLANNER R15.01 and earlier, TriFellows V5.04 and earlier) allows remote attackers to stop the license management function or execute an arbitrary program via unspecified vectors.

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.

Yokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhaustion by unauthorized requests. This could allow an attacker to cause the controller to become unstable.

Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The application utilizes multiple methods of session management which could result in a denial of service to the remote management functions.

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.

Yokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R4.02 and prior utilize hard-coded credentials that could allow an attacker to gain unauthorized administrative access to the device, which could result in remote code execution.