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.
Conclusion & alert: CVE-2024-32741 is rated Moderate Risk (55.7/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.63%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.74% | 0.63% | -0.11% |
| 2 | 2025-11-21 | 0.35% | 0.74% | +0.39% |
| 3 | 2025-11-18 | — | 0.35% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 3.1 | CRITICAL |
|
3.9 | 6.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| siemens | simatic_cn_4100_firmware | < 3.0 | cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/html/ssa-273900.html | Vendor Advisory |