CVE Vulnerability

CVE-2020-5665

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.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.4 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-018_en.pdf Vendor Advisory
https://jvn.jp/vu/JVNVU95638588/index.html Third Party Advisory
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-018.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-345-01 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2020-12-14 03:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-5665

Mitre link : CVE-2020-5665

Products Affected
No products.
CWE
NVD-CWE-noinfo