CVE-2023-49252 HIGH

CVE-2023-49252

Vendor Siemens
Product SIMATIC CN 4100
Weakness CWE-20 · Input validation
Published January 9, 2024
Last update June 17, 2025

CVSS base score

7.5/10
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:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition.

Key dates

02Disclosure timeline

January 9, 2024 CVE published
June 17, 2025 Record updated