CVE-2023-49252

HIGH

SIMATIC CN 4100 < 2.7 - Unauthenticated Denial of Service via IP Configuration Change

Title source: llm

Description

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.

References (1)

Core 1

Core References

Patch, Vendor Advisory

https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf

Scores

CVSS v3 7.5

EPSS 0.0023

EPSS Percentile 46.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (1)

siemens/simatic_cn_4100_firmware < 2.7

Published Jan 09, 2024

Tracked Since Feb 18, 2026