CVE-2020-5545

Description

TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to bypass access restriction and to stop the network functions or execute malware via a specially crafted packet.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.40%

Vendor Advisory co.jp

Affected: Mitsubishi Electric Corporation Mitsubishi Electric MELQIC IU1 series

References

Link	Tags
https://jvn.jp/en/vu/JVNVU92370624/index.html	third party advisory
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-5545?: CVE-2020-5545 has been scored as a critical severity vulnerability.
How to fix CVE-2020-5545?: To fix CVE-2020-5545, 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-2020-5545 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-5545 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-2020-5545?: CVE-2020-5545 affects Mitsubishi Electric Corporation Mitsubishi Electric MELQIC IU1 series.

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