Vulnerabilities > CVE-2023-1618 - Insecure Default Initialization of Resource vulnerability in Mitsubishielectric Melsec Ws0-Geth00200 Firmware

047910
CVSS 8.6 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
LOW
Integrity impact
HIGH
Availability impact
LOW
network
low complexity
mitsubishielectric
CWE-1188

Summary

Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.