CVE-2020-5594

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions contain a vulnerability that allows cleartext transmission of sensitive information between CPU modules and GX Works3 and/or GX Works2 via unspecified vectors.

Todos los módulos de CPU de las series Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L y FX, contienen una vulnerabilidad que permite la transmisión de información confidencial entre módulos de CPU y GX Works3 y/o GX Works2 por medio de vectores no especificados

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-06 CVE Reserved
2020-06-23 CVE Published
2024-04-27 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-319: Cleartext Transmission of Sensitive Information

CAPEC

References (3)

URL	Tag	Source
https://jvn.jp/en/vu/JVNVU91424496/index.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-003.pdf	2020-07-01
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-003_en.pdf	2020-07-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec Iq-r Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r Firmware"	*	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec Iq-r Search vendor "Mitsubishielectric" for product "Melsec Iq-r"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec Iq-f Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-f Firmware"	*	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec Iq-f Search vendor "Mitsubishielectric" for product "Melsec Iq-f"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-q Firmware Search vendor "Mitsubishielectric" for product "Melsec-q Firmware"	*	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-q Search vendor "Mitsubishielectric" for product "Melsec-q"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-l Firmware Search vendor "Mitsubishielectric" for product "Melsec-l Firmware"	*	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-l Search vendor "Mitsubishielectric" for product "Melsec-l"	-	-	Safe
Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-fx Firmware Search vendor "Mitsubishielectric" for product "Melsec-fx Firmware"	*	-	Affected	in	Mitsubishielectric Search vendor "Mitsubishielectric"	Melsec-fx Search vendor "Mitsubishielectric" for product "Melsec-fx"	-	-	Safe