CVE-2023-49251

High

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application allows an attacker to add their own login credentials to the device. This allows an attacker to remotely login as root and take control of the device even after the affected device is fully set up.

SeverityHigh

CVSS8.8

Exploit probability—

ProductSiemens Simatic Cn 4100 Firmware

PublishedJan 9, 2024

First seenJan 9, 2024

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

siemens simatic_cn_4100_firmware2.7 or later

Affected products

Product	Affected versions	Fixed in
siemens simatic_cn_4100_firmware	v < 2.7	2.7

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.