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CVE-2023-32004 NodeJS CVE debrief

CVE-2023-32004 is a high-severity vulnerability (CVSS 8.8) in Node.js version 20's experimental permission model, published on 2024-11-12. The flaw involves improper handling of Buffers in file system APIs, enabling a path traversal bypass when verifying file permissions. This vulnerability affects all users of the experimental permission model in Node.js 20. Siemens SINEC INS is identified as an affected product, with remediation available through vendor updates.

Vendor
NodeJS
Product
SINEC INS
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-02-13
Original CVE updated
2024-03-12
Advisory published
2024-02-13
Advisory updated
2024-03-12

Who should care

Organizations running Siemens SINEC INS with Node.js 20 experimental permission model enabled, industrial control system operators, Node.js developers using experimental security features, and security teams managing OT/ICS environments with embedded Node.js runtimes.

Technical summary

CVE-2023-32004 affects Node.js version 20's experimental permission model, where improper Buffer handling in file system APIs enables path traversal bypasses during permission verification. The vulnerability allows attackers to circumvent intended file access restrictions. Siemens SINEC INS incorporates affected Node.js components and requires vendor-provided updates for remediation. The experimental nature of the permission model at time of CVE issuance limits exposure but does not eliminate risk for enabled deployments.

Defensive priority

HIGH

Recommended defensive actions

  • Update Siemens SINEC INS to V1.0 SP2 Update 3 or later version per vendor guidance
  • Review and restrict use of Node.js 20 experimental permission model in production environments
  • Apply defense-in-depth strategies for industrial control systems per CISA guidance
  • Monitor for vendor security advisories from Siemens CERT portal
  • Validate file system API implementations for proper Buffer handling in Node.js applications

Evidence notes

The vulnerability stems from Node.js 20's experimental permission model, where Buffer handling in file system APIs allows path traversal bypasses during permission verification. The CISA CSAF advisory ICSA-24-319-08 confirms Siemens SINEC INS as affected, with remediation guidance to update to V1.0 SP2 Update 3 or later. The experimental status of the permission model at CVE issuance is explicitly noted in source documentation.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-32004 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-32004

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

  • CVE-2023-32004 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-32004

    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.