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CVE-2024-12212 Horner Automation CVE debrief

CVE-2024-12212 is a high-severity vulnerability in Horner Automation Cscape, an industrial control system programming environment. Published on December 10, 2024, this vulnerability stems from improper validation during CSP file parsing, enabling out-of-bounds read conditions that can lead to arbitrary code execution. The affected versions are Cscape 10.0.363.1 and earlier. CISA issued advisory ICSA-24-345-05 on the same date as publication. The vendor has released Cscape v10 SP1 as a remediation. This vulnerability is not currently listed in CISA's Known Exploited Vulnerabilities catalog.

Vendor
Horner Automation
Product
Cscape
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2024-12-10
Original CVE updated
2024-12-10
Advisory published
2024-12-10
Advisory updated
2024-12-10

Who should care

Organizations operating Horner Automation programmable logic controllers (PLCs) and utilizing Cscape for control system programming and configuration. This includes manufacturing facilities, water/wastewater utilities, building automation systems, and other industrial environments deploying Horner Automation solutions. Security teams responsible for OT/ICS asset management and vulnerability management programs should prioritize this update.

Technical summary

The vulnerability exists in Cscape's parsing of CSP (Control System Project) files. Insufficient validation of user-supplied data allows reading beyond allocated buffer boundaries. This out-of-bounds read condition can be leveraged to achieve arbitrary code execution within the context of the Cscape application. The CVSS 3.1 base score of 7.5 reflects network accessibility with low complexity, though the attack requires user interaction to open a malicious CSP file. The CVSS 4.0 vector indicates local attack vector with user interaction required, high impacts to confidentiality, integrity, and availability of the vulnerable component.

Defensive priority

HIGH

Recommended defensive actions

  • Update Cscape to v10 SP1 or later as recommended by Horner Automation
  • Restrict network access to engineering workstations running Cscape to authorized personnel only
  • Implement application whitelisting on hosts running Cscape to prevent execution of unauthorized binaries
  • Validate integrity of CSP files obtained from external sources before opening in Cscape
  • Monitor for anomalous process behavior or unexpected network connections from Cscape processes
  • Apply defense-in-depth strategies for industrial control systems per CISA guidance
  • Segment OT networks from IT networks to limit lateral movement opportunities

Evidence notes

The vulnerability description and remediation guidance are sourced from CISA CSAF advisory ICSA-24-345-05. CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H indicates network attack vector with low attack complexity, no privileges required, and high availability impact. Affected product version confirmed as <=10.0.363.1. Vendor fix identified as Cscape v10 SP1 or later.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-12212 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-12212

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

  • CVE-2024-12212 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-12212

    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-24-345-05.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-345-05

    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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    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

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B

    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.