CVE-2024-56336: A vulnerability has been identified in SINAMICS S200 (All versions with serial number beginning with SZVS8, SZVS9, SZVS0 or SZVSN and the FS number...

9.8 CVSS

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.

Classification

CVE ID: CVE-2024-56336

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.8

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

Problem Types

CWE-287: Improper Authentication

Affected Products

Vendor: Siemens

Product: SINAMICS S200

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.07% (probability of being exploited)

EPSS Percentile: 17.32% (scored less or equal to compared to others)

EPSS Date: 2025-04-09 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2024-56336
https://cert-portal.siemens.com/productcert/html/ssa-787280.html

Timeline