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PatchSiren cyber security CVE debrief

CVE-2024-23601 AutomationDirect CVE debrief

A critical code injection vulnerability in AutomationDirect Productivity PLCs allows arbitrary code execution through malicious scan_lib.bin files. The vulnerability affects multiple Productivity series CPUs across firmware and software versions, with a CVSS 3.1 score of 9.8 indicating network-exploitable, unauthenticated remote code execution. The issue was disclosed on May 23, 2024 via CISA ICS advisory ICSA-24-144-01. Vendor-provided patches are available through updated Productivity Suite software (version 4.2.0.x or higher) and corresponding firmware updates. For systems that cannot be immediately patched, network isolation and segmentation controls are recommended as compensating measures.

Vendor
AutomationDirect
Product
Productivity 3000 P3-550E CPU
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-05-23
Original CVE updated
2024-05-23
Advisory published
2024-05-23
Advisory updated
2024-05-23

Who should care

Organizations operating AutomationDirect Productivity series PLCs in industrial automation environments, particularly those with internet-facing or network-connected control systems. Critical infrastructure operators, manufacturing facilities, and any deployment where PLC compromise could impact safety, production, or operational technology environments. Security teams responsible for OT/ICS asset management and vulnerability response should prioritize assessment and patching.

Technical summary

The vulnerability exists in the scan_lib.bin functionality of AutomationDirect Productivity series PLCs. A specially crafted scan_lib.bin file can be provided by an attacker to trigger arbitrary code execution. The attack vector is network-based with low attack complexity, requiring no privileges or user interaction. Affected products span the Productivity 3000, 2000, and 1000 series CPUs with specific firmware and software versions including P3-550E, P3-550, P3-530, P2-550, P1-550, and P1-540 models. The vulnerability enables complete compromise of confidentiality, integrity, and availability of affected control systems.

Defensive priority

critical

Recommended defensive actions

  • Update Productivity Suite programming software to version 4.2.0.x or higher
  • Update affected Productivity PLC firmware to the latest available version
  • Physically disconnect affected PLCs from external networks including internet and LANs if patching is not immediately feasible
  • Implement network segmentation to isolate affected PLCs from other organizational systems
  • Configure firewall rules or network access control policies to restrict traffic to affected PLCs
  • Conduct network security analysis to determine appropriate security controls for automation control system environments
  • Contact AutomationDirect Technical Support at 770-844-4200 or 800-633-0405 for assistance with remediation
  • Review vendor security considerations documentation for additional hardening guidance

Evidence notes

Vulnerability description and affected product list derived from CISA CSAF advisory ICSA-24-144-01. CVSS score 9.8 (CRITICAL) confirmed from source metadata. Remediation guidance including specific version numbers and vendor contact information extracted from CSAF remediations section.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-23601 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-23601

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

  • CVE-2024-23601 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-23601

    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-24-144-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-144-01

    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/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://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ncas/tips/ST04-014

    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.