Cleartext Transmission Vulnerability in Mitsubishi Electric CPU Modules
CVE-2020-5594

9.8CRITICAL

Key Information:

Vendor

Mitsubishi Electric Corporation

Status
Melsec Iq-r, Iq-f, Q, L, And Fx Series Cpu Modules
Vendor
CVE Published:
23 June 2020

What is CVE-2020-5594?

Mitsubishi Electric's MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules are susceptible to a vulnerability that enables the cleartext transmission of sensitive information. This occurs during communication between CPU modules and the GX Works3 and GX Works2 software systems through unspecified vectors, raising concerns about data integrity and confidentiality.

Affected Version(s)

MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions

References

https://www.mitsubishielectric.com/en/psirt/vulnerability...
x_refsource_MISC
https://www.mitsubishielectric.co.jp/psirt/vulnerability/...
x_refsource_MISC
https://jvn.jp/en/vu/JVNVU91424496/index.html
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-5594 : Cleartext Transmission Vulnerability in Mitsubishi Electric CPU Modules