CVE-2020-5665 describes a denial-of-service vulnerability affecting Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU units with firmware version 1.060 and earlier. An attacker can trigger this DoS condition by sending a specially crafted ARP packet, disrupting program execution and communication. The vulnerability carries a CVSS score of 7.4 (HIGH), indicating an easily exploitable network-adjacent attack with high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.060CPE matchmatch criteria | cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5u_cpu_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.