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PatchSiren cyber security CVE debrief

CVE-2024-32756 Johnson Controls, Inc. CVE debrief

CVE-2024-32756 is a medium-severity vulnerability (CVSS 6.8) affecting Johnson Controls Illustra Essentials Gen 4 cameras. The issue allows an authenticated user to recover Linux user credentials under certain circumstances. The vulnerability was disclosed by CISA on June 27, 2024, with an advisory update on July 2, 2024 that modified the mitigation schedule. The affected product is Illustra Essentials Gen 4 cameras running firmware version Illustra.Ess4.01.02.10.5982 or earlier. Johnson Controls has released firmware version Illustra.Ess4.01.02.13.6953 to address this vulnerability. The CVSS vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, changed scope, and high confidentiality impact with no integrity or availability impact.

Vendor
Johnson Controls, Inc.
Product
Illustra Essentials Gen 4
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-06-27
Original CVE updated
2024-07-02
Advisory published
2024-06-27
Advisory updated
2024-07-02

Who should care

Organizations deploying Johnson Controls Illustra Essentials Gen 4 cameras in physical security and surveillance environments, particularly those in critical infrastructure sectors. Security teams responsible for IoT/OT device management and firmware maintenance should prioritize patching.

Technical summary

The vulnerability exists in the Linux-based firmware of Illustra Essentials Gen 4 cameras. An authenticated attacker can, under certain conditions, recover Linux user credentials. This represents a confidentiality breach with potential for further system compromise. The attack requires network access and authenticated privileges but does not require user interaction. The scope change in the CVSS vector indicates the vulnerable component impacts resources beyond its security scope.

Defensive priority

medium

Recommended defensive actions

  • Upgrade affected Illustra Essentials Gen 4 cameras to firmware version Illustra.Ess4.01.02.13.6953 or later
  • Review Johnson Controls Product Security Advisory JCI-PSA-2024-07 v1 for detailed mitigation instructions
  • Apply defense-in-depth strategies for industrial control systems per CISA guidance
  • Monitor Johnson Controls product security website for additional security notices
  • Follow established internal incident response procedures and report suspected malicious activity to CISA

Evidence notes

Vulnerability disclosed in CISA advisory ICSA-24-179-05 on June 27, 2024. Advisory updated July 2, 2024 with changes to mitigation schedule. Affected product confirmed as Illustra Essentials Gen 4 with firmware <=Illustra.Ess4.01.02.10.5982. Remediation firmware Illustra.Ess4.01.02.13.6953 available.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-32756 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-32756

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

  • CVE-2024-32756 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-32756

    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-24-179-05.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-179-05

    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/ics/alerts/ICS-ALERT-10-301-01

    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.