CVE-2020-5531
CRITICALMitsubishi Electric MELSEC C Controller Module - Path Traversal
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-003_en.pdf
Third Party Advisory x_refsource_misc
https://jvn.jp/en/vu/JVNVU95424547/index.html
Scores
CVSS v3
9.8
EPSS
0.0077
EPSS Percentile
73.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (5)
mitsubishielectric/mi5122-vw_firmware
< 03
mitsubishielectric/q24dhccpu-v_firmware
< 21121
mitsubishielectric/q24dhccpu-vg_firmware
< 21121
mitsubishielectric/r12ccpu-v_firmware
< 11
mitsubishielectric/rd55up06-v_firmware
< 08
Published
Feb 17, 2020
Tracked Since
Feb 18, 2026