Home/CVE/A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded pa
CVE

CVE-2024-32741

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded pa

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.

CRITICAL · CVSS 10 EPSS 0.00739
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-259Use of Hard-coded Password
▤

Affected Products & Versions

1
siemens simatic cn 4100 firmware< 3.0
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · productcert@siemens.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 May 2024 · 04:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
siemens-csafSSA-273900
cisa-csafcisa-csaf-csaf_files-OT-white-2024-icsa-24-137-06
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/html/ssa-273900.htmlVendor Advisory
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