CVE-2020-5594

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory co.jp Vendor Advisory mitsubishielectric.com
Affected: Mitsubishi Electric Corporation MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-003_en.pdf vendor advisory
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-003.pdf vendor advisory
https://jvn.jp/en/vu/JVNVU91424496/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-5594?
CVE-2020-5594 has been scored as a critical severity vulnerability.
How to fix CVE-2020-5594?
To fix CVE-2020-5594, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5594 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5594 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5594?
CVE-2020-5594 affects Mitsubishi Electric Corporation MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules.
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