by Kastro
Paper/Archive/CVE-2024-56336

CVE-2024-56336

Siemens SINAMICS S200 — A vulnerability has been identified in SINAMICS S200 (All versions with serial number beginning with SZVS8, SZVS9, SZVS0 or SZVSN and the…

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 46.1.461 × 209.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SINAMICS S200all versions–CNA

Scores by source

siemens (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
siemens (CNA)9.5CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcert-portal.siemens.com/productcert/html/ssa-787280.html