CVE-2024-32741

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-14 · updated 2026-06-17
Weakness: CWE-259

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded password which is used for the privileged system user `root` and for the boot loader `GRUB` by default . An attacker who manages to crack the password hash gains root access to the device.

Affected products

Siemens SIMATIC CN 4100: before 3.0 — fixed in 3.0

How to fix

Upgrade to a fixed version: Siemens SIMATIC CN 4100 3.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/html/ssa-273900.html
https://cert-portal.siemens.com/productcert/html/ssa-273900.html

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