CVE-2023-2846 HIGH

CVE-2023-2846: Authentication Bypass Vulnerability in MELSEC-F Series main module

Vendor Mitsubishi Electric Corporation
Product MELSEC-F Series FX3U-16MR/ES
Weakness CWE-294
Published June 30, 2023
Last update March 5, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.

Key dates

02Disclosure timeline

June 30, 2023 CVE published
March 5, 2025 Record updated