What’s Vulnerable › Vulnerabilities
CVE-2020-5531
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-02-17 · updated 2026-06-17
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.
Affected products
- Mitsubishielectric Mi5122-Vw Firmware: through 03
- Mitsubishielectric Q24Dhccpu-V Firmware: through 21121
- Mitsubishielectric Q24Dhccpu-Vg Firmware: through 21121
- Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V: through 11
- Mitsubishielectric Rd55Up06-V Firmware: through 08
References
- https://jvn.jp/en/vu/JVNVU95424547/index.html
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-003_en.pdf
- https://jvn.jp/en/vu/JVNVU95424547/index.html
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-003_en.pdf
Get alerted when CVE-2020-5531 or the next vulnerability affects your stack