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PatchSiren cyber security CVE debrief

CVE-2024-41976 Siemens CVE debrief

CVE-2024-41976 is a high-severity vulnerability affecting 24 Siemens industrial router products, including SCALANCE M-series routers and RUGGEDCOM RM1224 devices. Published on August 13, 2024, this vulnerability stems from improper input validation in specific VPN configuration fields. An authenticated remote attacker can exploit this weakness to execute arbitrary code on affected devices. The CVSS 3.1 score of 7.2 reflects high impact on confidentiality, integrity, and availability, with network attack vector, low attack complexity, and high privileges required. CISA published advisory ICSA-24-228-01 on the same date, coordinating disclosure with Siemens. The vendor has released firmware version 8.1 or later to address this vulnerability. Organizations should prioritize patching, especially given the critical infrastructure contexts where these industrial routers are typically deployed.

Vendor
Siemens
Product
RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2)
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2024-08-13
Original CVE updated
2024-08-13
Advisory published
2024-08-13
Advisory updated
2024-08-13

Who should care

Organizations operating Siemens SCALANCE or RUGGEDCOM industrial routers in manufacturing, energy, transportation, and critical infrastructure sectors. Security teams responsible for OT/ICS network infrastructure and VPN gateway management.

Technical summary

Improper input validation vulnerability in VPN configuration fields of Siemens industrial routers. Authenticated attackers can inject malicious input through VPN configuration interfaces to achieve arbitrary code execution. Affects 24 product variants across SCALANCE M800/M800PB/M800DSL/M800UMTS/M800LTE and RUGGEDCOM RM1224 families. Fixed in firmware version 8.1.

Defensive priority

HIGH

Recommended defensive actions

  • Apply Siemens firmware update to version 8.1 or later for all affected SCALANCE and RUGGEDCOM router models
  • Restrict administrative access to VPN configuration interfaces to trusted personnel only
  • Monitor VPN configuration changes for unauthorized modifications
  • Implement network segmentation to isolate affected router management interfaces from untrusted networks
  • Review and apply CISA ICS recommended practices for industrial control system security

Evidence notes

Vulnerability description and affected product list derived from CISA CSAF source. CVSS vector and remediation details confirmed through Siemens SSA-087301 advisory.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-41976 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-41976

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-41976 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-41976

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-228-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-087301.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-087301.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-228-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.