CVE-2023-3346 CRITICAL

CVE-2023-3346: Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series

Vendor Mitsubishi Electric Corporation
Product MITSUBISHI CNC M800V Series M800VW
Weakness CWE-120
Published August 3, 2023
Last update December 4, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.

Key dates

02Disclosure timeline

August 3, 2023 CVE published
December 4, 2024 Record updated