CVE-2022-40265

Denial of Service (DoS) Vulnerability in MELSEC iQ-R Series Ethernet Interface Module

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Vulnerabilidad de Validación de Entrada Incorrecta en Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Versión de firmware "65" y anteriores y Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware versión "65" y anteriores permite una un atacante remoto no autenticado provoque una condición de Denegación de Servicio mediante el envío de paquetes especialmente manipulados. Es necesario reiniciar el sistema para la recuperación.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-08 CVE Reserved
2022-11-30 CVE Published
2024-06-22 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (2)

URL	Tag	Source
https://jvn.jp/vu/JVNVU94702422	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf	2022-12-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mitsubishielectric Search vendor "Mitsubishielectric"	Rj71en71 Firmware Search vendor "Mitsubishielectric" for product "Rj71en71 Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "Rj71en71 Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Rj71en71 Search vendor "Mitsubishielectric" for product "Rj71en71"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	R04encpu Firmware Search vendor "Mitsubishielectric" for product "R04encpu Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "R04encpu Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	R04encpu Search vendor "Mitsubishielectric" for product "R04encpu"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	R08encpu Firmware Search vendor "Mitsubishielectric" for product "R08encpu Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "R08encpu Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	R08encpu Search vendor "Mitsubishielectric" for product "R08encpu"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	R16encpu Firmware Search vendor "Mitsubishielectric" for product "R16encpu Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "R16encpu Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	R16encpu Search vendor "Mitsubishielectric" for product "R16encpu"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	R32encpu Firmware Search vendor "Mitsubishielectric" for product "R32encpu Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "R32encpu Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	R32encpu Search vendor "Mitsubishielectric" for product "R32encpu"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	R120encpu Firmware Search vendor "Mitsubishielectric" for product "R120encpu Firmware"	<= 65 Search vendor "Mitsubishielectric" for product "R120encpu Firmware" and version " <= 65"	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	R120encpu Search vendor "Mitsubishielectric" for product "R120encpu"	-	-	Safe