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PatchSiren cyber security CVE debrief

CVE-2020-8004 Baxter CVE debrief

CVE-2020-8004 is a high-severity vulnerability affecting the Baxter Life2000 Ventilation System, published on November 14, 2024. The vulnerability stems from a weakness in the flash memory read-out protection feature on the device's microcontroller, which fails to block memory access via the ICode bus. Attackers can exploit this flaw in combination with specific CPU exception handling behaviors to map the onboard flash memory organization and ultimately bypass read-out protection to expose memory contents. The affected product is the Baxter Life2000 Ventilation System running firmware version 06.08.00.00 and earlier. Baxter has not yet released a patch as of the advisory date, with a follow-up announcement planned for Q2 2025. In the interim, Baxter recommends maintaining physical possession and control of ventilators to prevent unauthorized access. The vendor reports no known exploitation of these vulnerabilities or compromise of personal or health data.

Vendor
Baxter
Product
Baxter Life2000 Ventilation System
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2024-11-14
Original CVE updated
2024-11-14
Advisory published
2024-11-14
Advisory updated
2024-11-14

Who should care

Healthcare delivery organizations operating Baxter Life2000 Ventilation Systems, biomedical engineering teams, clinical engineering departments, hospital security operations centers, and healthcare CISOs responsible for medical device cybersecurity programs should prioritize this vulnerability due to the critical nature of ventilator systems and the extended timeline for patch availability.

Technical summary

The Baxter Life2000 Ventilation System microcontroller implements flash memory read-out protection that does not restrict access via the ICode bus. This architectural weakness allows attackers to leverage CPU exception handling behaviors to probe flash memory organization and defeat read-out protection mechanisms, resulting in unauthorized memory content exposure. The vulnerability requires physical access to exploit but has a CVSS 3.1 network attack vector rating, indicating potential for remote exploitation chains. No firmware patch is currently available; vendor mitigation relies on physical security controls until Q2 2025.

Defensive priority

HIGH

Recommended defensive actions

  • Maintain physical possession and control of Life2000 Ventilation System devices at all times; do not leave ventilators unattended in public or unsecured areas
  • Monitor for Baxter's follow-up security announcement expected in Q2 2025 regarding firmware updates for this vulnerability
  • Apply network segmentation and access controls to limit connectivity to Life2000 systems where medically feasible
  • Review and implement CISA ICS recommended practices for medical device cybersecurity
  • Establish asset inventory and monitoring for all Baxter Life2000 Ventilation System deployments to ensure timely patch application when available

Evidence notes

Vulnerability details sourced from CISA ICS Medical Advisory ICSMA-24-319-01. CVSS 3.1 score of 7.5 (HIGH) reflects network attack vector with low attack complexity, no privileges required, and high confidentiality impact. Affected product version confirmed as <=06.08.00.00. Vendor remediation timeline and physical security guidance extracted from CSAF remediation entries.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-8004 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-8004

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

  • CVE-2020-8004 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-8004

    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/icsma-24-319-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-24-319-01

    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/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.