CVE-2020-5594: Critical severity mitsubishi electric melsec iq-r firmware vulnerability

Published Jun 23, 2020
·
Updated

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.

Affected Software

10 affected components
Mitsubishielectric Melsec Iq-r Firmware
Mitsubishielectric Melsec Iq-r
Mitsubishielectric Melsec Iq-f Firmware
Mitsubishielectric Melsec Iq-f
Mitsubishielectric Melsec-q Firmware
Mitsubishielectric Melsec-q
Mitsubishielectric Melsec-l Firmware
Mitsubishielectric Melsec-l
Mitsubishielectric Melsec-fx Firmware
Mitsubishielectric Melsec-fx

Event History

Jun 23, 2020
CVE Published
via MITRE·07:35 AM
Data Sourced
via MITRE·07:35 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2020-5594?

CVE-2020-5594 is classified as a medium severity vulnerability due to the cleartext transmission of sensitive information.

2

How do I fix CVE-2020-5594?

To mitigate CVE-2020-5594, ensure secure transmission methods are implemented between the CPU modules and GX Works3 or GX Works2.

3

What types of devices are affected by CVE-2020-5594?

CVE-2020-5594 affects Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules.

4

What is at risk due to CVE-2020-5594?

CVE-2020-5594 potentially exposes sensitive information transmitted in cleartext between control modules and software.

5

Is there a specific version of the firmware affected by CVE-2020-5594?

All versions of the affected Mitsubishi Electric MELSEC firmware are compromised by CVE-2020-5594.

Contact

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