CVE-2024-39339
📋 TL;DR
A misconfiguration vulnerability in Smartplay headunits used in Suzuki and Toyota vehicles allows unauthorized access to sensitive information. This affects all versions of Smartplay headunits, potentially exposing diagnostic logs, system logs, passwords, and personally identifiable information (PII). Vehicle owners with these headunits are at risk of privacy violations.
💻 Affected Systems
- Smartplay headunits in Suzuki vehicles
- Smartplay headunits in Toyota vehicles
⚠️ 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
Attackers gain full access to vehicle systems, extract all stored PII and credentials, potentially enabling further attacks on connected systems or vehicle control systems.
Likely Case
Unauthorized actors access exposed logs and sensitive information, compromising user privacy and potentially enabling identity theft or targeted attacks.
If Mitigated
Limited exposure of non-critical system information with no access to sensitive credentials or PII.
🎯 Exploit Status
Exploitation requires physical or network access to the headunit. Public documentation demonstrates information disclosure techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Contact vehicle manufacturer for potential firmware updates or replacement options.
🔧 Temporary Workarounds
Disable unnecessary services
allDisable any unnecessary network services or debugging interfaces on the headunit
Network segmentation
allIsolate vehicle networks from corporate or home networks
🧯 If You Can't Patch
- Physically secure vehicles to prevent unauthorized access to headunits
- Regularly monitor for unusual activity in vehicle systems and connected networks
🔍 How to Verify
Check if Vulnerable:
Check if Smartplay headunit responds to unauthorized requests for diagnostic or system logs. Review public exploit documentation for specific testing methods.Check Version:
Check headunit firmware version through vehicle settings menu (varies by manufacturer)Verify Fix Applied:
Verify that sensitive information is no longer accessible via unauthorized requests. Test with same methods used to confirm vulnerability.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to headunit logs or diagnostic interfaces
- Multiple failed authentication attempts to headunit services
Network Indicators:
- Unusual network traffic from vehicle systems
- External connections to headunit diagnostic ports
SIEM Query:
source="vehicle_network" AND (event_type="unauthorized_access" OR dest_port IN [diagnostic_ports])