AUGUST 4, 2026
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Case File

CVE-2020-5665

HIGH · CVSS 7.4 EPSS 0.98%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-14 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. It may lead to a denial-of-service condition.

CVE
CVE-2020-5665
Severity
HIGH
CVSS
7.4
EPSS
0.98%

Original NVD Description

Improper check or handling of exceptional conditions in MELSEC iQ-F series FX5U(C) CPU unit firmware version 1.060 and earlier allows an attacker to cause a denial-of-service (DoS) condition on program execution and communication by sending a specially crafted ARP packet.

Related CVEs

Other vulnerabilities affecting the same vendor(s)