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PatchSiren cyber security CVE debrief

CVE-2024-46888 Siemens CVE debrief

A critical path traversal vulnerability in Siemens SINEC INS allows authenticated remote attackers to manipulate arbitrary files and achieve code execution via unsanitized SFTP file paths. Published 2024-11-12.

Vendor
Siemens
Product
SINEC INS
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2024-11-12
Original CVE updated
2024-11-12
Advisory published
2024-11-12
Advisory updated
2024-11-12

Who should care

Organizations operating Siemens SINEC INS in industrial network environments, OT security teams managing Siemens industrial infrastructure, and security administrators responsible for network management systems in critical infrastructure sectors.

Technical summary

Siemens SINEC INS contains a path traversal vulnerability in its SFTP-based file upload and download functionality. The application fails to properly sanitize user-provided file paths, allowing authenticated remote attackers to traverse the file system and access or modify files outside intended directories. This path manipulation can lead to arbitrary file write capabilities, enabling attackers to achieve arbitrary code execution on the affected device. The vulnerability requires authentication but is exploitable over the network with low attack complexity.

Defensive priority

critical

Recommended defensive actions

  • Apply vendor fix: Update SINEC INS to V1.0 SP2 Update 3 or later version per Siemens advisory
  • Restrict network access to SINEC INS management interfaces to authorized administrative hosts only
  • Monitor for anomalous SFTP file operations and unexpected file system modifications on SINEC INS hosts
  • Review file system permissions to limit potential impact of path traversal attempts
  • Implement network segmentation to isolate SINEC INS instances from untrusted networks

Evidence notes

CISA ICS advisory ICSA-24-319-08 and Siemens security advisory SSA-915275 document this vulnerability. CVSS 3.1 score of 9.9 reflects network attack vector, low complexity, and high impact across confidentiality, integrity, and availability with scope change.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-46888 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-46888

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

  • CVE-2024-46888 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-46888

    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-24-319-08.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-915275.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-915275.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08

    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.