CVE-2020-5542

Description

Buffer error vulnerability in 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 stop the network functions or execute malware via a specially crafted packet.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.83% Top 30%
Vendor Advisory co.jp
Affected: Mitsubishi Electric Corporation Mitsubishi Electric MELQIC IU1 series
Published at:
Updated at:

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-2020-5542?
CVE-2020-5542 has been scored as a critical severity vulnerability.
How to fix CVE-2020-5542?
To fix CVE-2020-5542, 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-2020-5542 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5542 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5542?
CVE-2020-5542 affects Mitsubishi Electric Corporation Mitsubishi Electric MELQIC IU1 series.
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