CVE-2024-56336

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A vulnerability has been identified in SINAMICS S200 (All versions with serial number beginning with SZVS8, SZVS9, SZVS0 or SZVSN and the FS number is 02). The affected device contains an unlocked bootloader. This security oversight enables attackers to inject malicious code, or install untrusted firmware. The intrinsic security features designed to protect against data manipulation and unauthorized access are compromised when the bootloader is not secured.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
Siemens	SINAMICS S200	< *

References

https://cert-portal.siemens.com/productcert/html/ssa-787280.html

Timeline

Published: Mar 11, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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