CVE-2023-4625 MEDIUM

CVE-2023-4625: Denial-of-Service（DoS） Vulnerability in Web server function on MELSEC Series CPU module

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-F Series FX5U-32MT/ES
Weakness CWE-307 · Brute force
Published November 6, 2023
Last update February 27, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Restriction of Excessive Authentication Attempts vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F/iQ-R Series CPU modules Web server function allows a remote unauthenticated attacker to prevent legitimate users from logging into the Web server function for a certain period after the attacker has attempted to log in illegally by continuously attempting unauthorized login to the Web server function. The impact of this vulnerability will persist while the attacker continues to attempt unauthorized login.

Key dates

02Disclosure timeline

November 6, 2023 CVE published
February 27, 2025 Record updated