title: Denial-of-Service Vulnerability in Ethernet port of MELSEC iQ-R, iQ-L Series and MELIPC Series
description: Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU Firmware versions "32" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions "65" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions "29" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Firmware versions "17" and prior, Mitsubishi Electric Corporation MELSEC iQ-L Series L04/08/16/32HCPU all versions and Mitsubishi Electric Corporation MELIPC Series MI5122-VW all versions allows a remote unauthenticated attacker to cause a Denial of Service condition in Ethernet communication on the module by sending specially crafted packets. A system reset of the module is required for recovery.
problem types: CWE-404 Improper Resource Shutdown or Release
affected:
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R00CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "32" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R01CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "32" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R02CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "32" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R04(EN)CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "65" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R08(EN)CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "65" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R16(EN)CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "65" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R32(EN)CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "65" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R120(EN)CPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "65" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R08SFCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "29" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R16SFCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "29" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R32SFCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "29" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R120SFCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "29" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-R Series R12CCPU-V
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: Firmware versions "17" and prior
}
{
defaultStatus: unaffected
product: MELSEC iQ-L Series L04HCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: All versions
}
{
defaultStatus: unaffected
product: MELSEC iQ-L Series L08HCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: All versions
}
{
defaultStatus: unaffected
product: MELSEC iQ-L Series L16HCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: All versions
}
{
defaultStatus: unaffected
product: MELSEC iQ-L Series L32HCPU
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: All versions
}
{
defaultStatus: unaffected
product: MELIPC Series MI5122-VW
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: All versions
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL