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Critical severity9.8NVD Advisory· Published Feb 17, 2020· Updated Jun 17, 2026

CVE-2020-5531

CVE-2020-5531

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Mitsubishielectric/Mi5122 Vw Firmware
    cpe:2.3:o:mitsubishielectric:mi5122-vw_firmware:*:*:*:*:*:*:*:*
    Range: <=03
  • Mitsubishielectric/Q24dhccpu V Firmware
    cpe:2.3:o:mitsubishielectric:q24dhccpu-v_firmware:*:*:*:*:*:*:*:*
    Range: <=21121
  • Mitsubishielectric/Q24dhccpu Vg Firmware
    cpe:2.3:o:mitsubishielectric:q24dhccpu-vg_firmware:*:*:*:*:*:*:*:*
    Range: <=21121
  • Mitsubishielectric/R12ccpu V Firmware
    cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:*:*:*:*:*:*:*:*
    Range: <=11
  • Mitsubishielectric/Rd55up06 V Firmware
    cpe:2.3:o:mitsubishielectric:rd55up06-v_firmware:*:*:*:*:*:*:*:*
    Range: <=08
  • Mitsubishielectric/MELSEC iQ-R Series C Controller Modulellm-create
    Range: First 2 digits of serial number 11 or before, and RD55UP06-V Ethernet port: First 2 digits of serial number 08 or before
  • Mitsubishielectric/MELIPC Series MI5000llm-create
    Range: First 2 digits of serial number 03 or before, or the firmware version 03 or before
  • Mitsubishielectric/MELSEC C Controller Modulellm-fuzzy
    Range: First 5 digits of serial number 21121 or before
  • Mitsubishi Electric Corporation/Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000v5
    Range: 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)

Patches

Vulnerability mechanics

References

2

News mentions

0

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