title: Denial of Service (DoS) Vulnerability in MELSEC iQ-R Series Ethernet Interface Module
description: Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset is required for recovery.
problem types: CWE-20 Improper Input Validation
affected:
{
product: MELSEC iQ-R Series RJ71EN71
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware version "65" and prior
}
{
product: MELSEC iQ-R Series R04/08/16/32/120ENCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Network Part Firmware version "65" and prior
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.6
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL