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PatchSiren cyber security CVE debrief

CVE-2024-2422 LenelS2 CVE debrief

CVE-2024-2422 is an authenticated remote code execution vulnerability in LenelS2 NetBox, an access control and event monitoring system used in physical security environments. The vulnerability affects versions prior to and including 5.6.1 and was disclosed by CISA on May 30, 2024. A successful attack requires authenticated access, after which an attacker can execute malicious commands on the affected system. The CVSS 3.1 score of 8.8 reflects high impact across confidentiality, integrity, and availability with a low attack complexity. Carrier has released NetBox version 5.6.2 to address this vulnerability. Organizations should prioritize upgrading through their authorized installer and follow the NetBox hardening guide available in the product's built-in help menu.

Vendor
LenelS2
Product
NetBox
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-05-30
Original CVE updated
2024-05-30
Advisory published
2024-05-30
Advisory updated
2024-05-30

Who should care

Organizations using LenelS2 NetBox for physical access control and security event monitoring, particularly in critical infrastructure, commercial facilities, and enterprise environments. Security teams responsible for OT/ICS security and facility management personnel should prioritize this patch.

Technical summary

Authenticated remote code execution vulnerability in LenelS2 NetBox access control and event monitoring system. Affects versions ≤5.6.1. Fixed in 5.6.2.

Defensive priority

high

Recommended defensive actions

  • Upgrade to LenelS2 NetBox version 5.6.2 by contacting your authorized installer
  • Follow the NetBox hardening guide available in the product's built-in help menu
  • Review Carrier's security bulletin for additional guidance
  • Apply network segmentation to limit access to NetBox management interfaces
  • Monitor for unauthorized authentication attempts or anomalous command execution

Evidence notes

CISA published advisory ICSA-24-151-01 on May 30, 2024, identifying authenticated RCE in LenelS2 NetBox versions ≤5.6.1. Carrier released version 5.6.2 as the vendor fix.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-2422 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-2422

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

  • CVE-2024-2422 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-2422

    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-24-151-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-151-01

    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.