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CVE-2023-32006 NodeJS CVE debrief

CVE-2023-32006 is a high-severity vulnerability (CVSS 8.8) affecting Node.js's experimental policy mechanism. The flaw allows bypass of the policy.json restrictions through use of `module.constructor.createRequire()`, enabling unauthorized module loading outside defined policy boundaries. This vulnerability impacts all active Node.js release lines (16.x, 18.x, 20.x) at the time of disclosure. Siemens SINEC INS, an industrial network management product, incorporates affected Node.js components and is consequently vulnerable. The issue was published on November 12, 2024, through CISA's ICS advisory program (ICSA-24-319-08), which incorporated Siemens' security advisory SSA-915275. Siemens has released a vendor fix in SINEC INS V1.0 SP2 Update 3. Organizations should apply this update promptly, as the vulnerability poses significant risk to integrity and confidentiality of industrial control systems through potential policy bypass and unauthorized code execution.

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 operating Siemens SINEC INS for industrial network management, particularly those in critical infrastructure sectors. Security teams managing Node.js deployments with experimental policy mechanisms enabled. OT/ICS security practitioners responsible for maintaining defense-in-depth strategies in industrial environments. System administrators of Node.js applications across versions 16.x, 18.x, and 20.x using policy restrictions.

Technical summary

The vulnerability exists in Node.js's experimental policy mechanism, which is designed to restrict module loading through policy.json definitions. The `module.constructor.createRequire()` method can be exploited to circumvent these restrictions, allowing modules outside the policy scope to be required. This represents a fundamental bypass of the security boundary intended to constrain code execution. In Siemens SINEC INS, which utilizes Node.js components, this could enable unauthorized code execution within the industrial network management context. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) indicates network attack vector with low complexity, requiring low privileges but yielding high impact across confidentiality, integrity, and availability dimensions.

Defensive priority

high

Recommended defensive actions

  • Apply Siemens SINEC INS V1.0 SP2 Update 3 or later to remediate the underlying Node.js policy bypass vulnerability
  • Review and validate policy.json configurations in Node.js deployments using the experimental policy mechanism
  • Assess industrial control network segmentation to limit potential lateral movement if policy bypass is exploited
  • Monitor for anomalous module loading behavior in Node.js applications within SINEC INS environments
  • Follow CISA ICS recommended practices for defense-in-depth strategies in industrial control systems

Evidence notes

CVE description and CVSS vector sourced from CISA CSAF advisory ICSA-24-319-08, which references Siemens SSA-915275. Vendor and product attribution confirmed through CSAF product tree with high confidence. Remediation guidance extracted from CSAF remediations section.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-32006 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-32006

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

  • CVE-2023-32006 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-32006

    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.