CVE-2020-5665

HighCVSS 7.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published: Dec 14, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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