CVE-2020-5543: Critical severity Mitsubishielectric Iu1-1m20-d Firmware vulnerability
TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier does not properly manage sessions, which allows remote attackers to stop the network functions or execute malware via a specially crafted packet.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-5543?
CVE-2020-5543 is a vulnerability in the TCP function of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier.
How severe is CVE-2020-5543?
CVE-2020-5543 has a severity rating of 9.8 out of 10, making it a critical vulnerability.
How does CVE-2020-5543 affect Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware?
CVE-2020-5543 allows remote attackers to stop the network functions or execute malware through a specially crafted packet.
Is Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier vulnerable?
Yes, Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier are vulnerable to CVE-2020-5543.
How can I fix the CVE-2020-5543 vulnerability?
To mitigate the CVE-2020-5543 vulnerability, it is recommended to apply the firmware update provided by Mitsubishi Electric.