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Case File

CVE-2020-5531

CRITICAL · CVSS 9.8 EPSS 2.02%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-02-17 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2020-5531
Severity
CRITICAL
CVSS
9.8
EPSS
2.02%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)