CVE-2024-48970
📋 TL;DR
This vulnerability allows attackers to access the ventilator's microcontroller via the JTAG interface using standard debugging tools, enabling them to read or write flash memory. This could disrupt device operation or expose sensitive information. Affected systems include medical ventilators with unprotected JTAG interfaces.
💻 Affected Systems
- Medical ventilators with vulnerable microcontrollers
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete device malfunction leading to patient harm, unauthorized access to patient data, or permanent device damage.
Likely Case
Temporary device disruption requiring reset, unauthorized configuration changes, or data exfiltration.
If Mitigated
Limited impact with proper physical security controls and access restrictions.
🎯 Exploit Status
Exploitation requires physical access and standard JTAG debugging tools; no authentication needed once connected.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-24-319-01
Restart Required: No
Instructions:
Contact ventilator manufacturer for hardware/firmware updates; implement physical security controls as interim measure.
🔧 Temporary Workarounds
Physical JTAG Port Protection
allDisable or physically secure JTAG interface ports to prevent unauthorized access.
N/A - Hardware/physical security measure
Access Control Enforcement
allRestrict physical access to medical devices to authorized personnel only.
N/A - Policy/administrative control
🧯 If You Can't Patch
- Implement strict physical security controls around medical equipment
- Monitor for unauthorized physical access to devices
🔍 How to Verify
Check if Vulnerable:
Check if JTAG ports are physically accessible on ventilator devices; consult manufacturer documentation.Check Version:
N/A - Hardware/firmware specific; consult device manufacturer.Verify Fix Applied:
Verify JTAG ports are disabled or physically secured; confirm with manufacturer about memory protection implementation.📡 Detection & Monitoring
Log Indicators:
- Physical access logs showing unauthorized personnel near medical equipment
- Device anomaly logs indicating unexpected resets or configuration changes
Network Indicators:
- N/A - Physical access vulnerability
SIEM Query:
N/A - Primarily physical security monitoring required