CVE-2023-4562 CRITICAL

CVE-2023-4562: Information Disclosure, Information Tampering and Authentication Bypass Vulnerability in MELSEC-F Series main module

Vendor Mitsubishi Electric Corporation
Product MELSEC-F Series FX3U-16MT/ES
Weakness CWE-287 · Improper authentication
Published October 13, 2023
Last update February 27, 2025
View on NVD All CVEs

CVSS base score

9.1/10
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:N

What the vulnerability does

01Description

Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.

Key dates

02Disclosure timeline

October 13, 2023 CVE published
February 27, 2025 Record updated