CVE-2024-9832
📋 TL;DR
This vulnerability allows attackers to brute-force clinician passwords on medical ventilators due to unlimited failed login attempts. Successful exploitation could let attackers modify device settings, potentially disrupting ventilator function or exposing patient data. This affects healthcare organizations using vulnerable ventilator models.
💻 Affected Systems
- Specific ventilator models from affected manufacturer (exact models not specified in advisory)
⚠️ 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
Attacker gains full control of ventilator, modifies critical settings leading to patient harm or death, and exfiltrates sensitive patient data.
Likely Case
Attacker gains unauthorized access to ventilator settings, potentially disrupting therapy delivery and accessing patient health information.
If Mitigated
With proper network segmentation and monitoring, attack attempts are detected and blocked before successful exploitation.
🎯 Exploit Status
Brute-force attacks require network access to device but are technically simple to execute with common tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Contact manufacturer for specific patched versions
Vendor Advisory: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-24-319-01
Restart Required: Yes
Instructions:
1. Contact ventilator manufacturer for security update
2. Schedule maintenance window for device update
3. Apply manufacturer-provided patch
4. Verify patch installation and functionality
🔧 Temporary Workarounds
Network Segmentation
allIsolate ventilators on separate VLAN with strict access controls
Account Lockout Configuration
allImplement temporary lockout after failed login attempts if supported
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ventilators from general network
- Deploy network monitoring to detect brute-force attempts and alert security team
🔍 How to Verify
Check if Vulnerable:
Test if device allows unlimited failed clinician password attempts using controlled testingCheck Version:
Check device firmware version through manufacturer's management interfaceVerify Fix Applied:
Verify patch installation via device management interface and test that failed attempts now trigger lockout📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts from single source
- Unusual authentication patterns outside clinical hours
- Successful logins from unexpected IP addresses
Network Indicators:
- High volume of authentication packets to ventilator IPs
- Traffic patterns consistent with brute-force tools
SIEM Query:
source_ip="ventilator_network" AND (event_type="auth_failure" COUNT > 10 WITHIN 5min)