Advisory Published
Updated

CVE-2020-5531

First published: Mon Feb 17 2020(Updated: )

Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000 MELSEC-Q Series C Controller Module(Q24DHCCPU-V, Q24DHCCPU-VG User Ethernet port (CH1, CH2): First 5 digits of serial number 21121 or before), MELSEC iQ-R Series C Controller Module / C Intelligent Function Module(R12CCPU-V Ethernet port (CH1, CH2): First 2 digits of serial number 11 or before, and RD55UP06-V Ethernet port: First 2 digits of serial number 08 or before), and MELIPC Series MI5000(MI5122-VW Ethernet port (CH1): First 2 digits of serial number 03 or before, or the firmware version 03 or before) allow remote attackers to cause a denial of service and/or malware being executed via unspecified vectors.

Credit: vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
Mitsubishielectric Mi5122-vw Firmware<=03
Mitsubishielectric Mi5122-vw
Mitsubishielectric Q24dhccpu-v Firmware<=21121
Mitsubishielectric Q24dhccpu-v
Mitsubishielectric Q24dhccpu-vg Firmware<=21121
Mitsubishielectric Q24dhccpu-vg
Mitsubishielectric R12ccpu-v Firmware<=11
Mitsubishielectric R12ccpu-v
Mitsubishielectric Rd55up06-v Firmware<=08
Mitsubishielectric Rd55up06-v

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Frequently Asked Questions

  • What is CVE-2020-5531?

    CVE-2020-5531 is a vulnerability in Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000 MELSEC-Q Series C Controller.

  • What is the severity of CVE-2020-5531?

    CVE-2020-5531 has a severity rating of 9.8 (Critical).

  • Which software versions are affected by CVE-2020-5531?

    CVE-2020-5531 affects Mitsubishi Electric MI5122-VW firmware up to version 03 and Q24DHCCPU-V/ VG firmware with serial number 21121 or before.

  • Are Mitsubishi Electric MI5122-VW and Q24DHCCPU-V/ VG hardware vulnerable?

    No, Mitsubishi Electric MI5122-VW and Q24DHCCPU-V/ VG hardware are not vulnerable to CVE-2020-5531.

  • Where can I find more information about CVE-2020-5531?

    You can find more information about CVE-2020-5531 on the official Mitsubishi Electric PSIRT website and JVN Vulnerability Database.

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