CVE-2024-56336

CRITICAL

Siemens SINAMICS S200 - Unauthenticated Firmware Injection via Unlocked Bootloader

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0024
EPSS Percentile 46.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-287
Status published
Products (1)
Siemens/SINAMICS S200
Published Mar 11, 2025
Tracked Since Feb 18, 2026