CVE-2024-39364
📋 TL;DR
The Advantech ADAM-5630 industrial controller has unauthenticated HTTP commands that allow remote attackers to restart the operating system, reboot hardware, or stop execution without any authentication. This affects all organizations using these devices in industrial control systems. The vulnerability enables denial-of-service attacks against critical infrastructure equipment.
💻 Affected Systems
- Advantech ADAM-5630
⚠️ 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 disruption of industrial processes leading to production downtime, safety system failures, or environmental incidents due to unauthorized device reboots during critical operations.
Likely Case
Service disruption causing production delays, equipment damage from improper shutdowns, and operational downtime requiring manual intervention to restore systems.
If Mitigated
Limited impact if devices are properly segmented and monitored, with quick detection and restoration capabilities in place.
🎯 Exploit Status
Simple HTTP requests can trigger the commands, making exploitation trivial for anyone with network access to the device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Advantech security advisory for specific firmware version
Vendor Advisory: https://www.advantech.com/support
Restart Required: Yes
Instructions:
1. Check Advantech security advisory for latest firmware
2. Download firmware update from Advantech support portal
3. Follow manufacturer's firmware update procedure
4. Verify authentication is required for all commands post-update
🔧 Temporary Workarounds
Network Segmentation
allIsolate ADAM-5630 devices in dedicated network segments with strict firewall rules
Access Control Lists
allImplement IP-based restrictions to limit which systems can communicate with the devices
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to block all unnecessary HTTP traffic to the devices
- Deploy network monitoring and intrusion detection specifically for unauthorized reboot commands
🔍 How to Verify
Check if Vulnerable:
Send HTTP request to device endpoint (check CISA advisory for specific commands) and observe if commands execute without authenticationCheck Version:
Check device web interface or use manufacturer's diagnostic tools to verify firmware versionVerify Fix Applied:
Attempt same HTTP commands and verify they now require authentication or are blocked📡 Detection & Monitoring
Log Indicators:
- Unexpected reboot events
- HTTP requests to command endpoints from unauthorized sources
- System restart logs without corresponding authorized activity
Network Indicators:
- HTTP POST/GET requests to device command endpoints
- Traffic patterns showing repeated reboot commands
- Unauthorized IP addresses accessing device management interfaces
SIEM Query:
source="adam-5630" AND (event="reboot" OR event="restart" OR event="shutdown") AND user="unauthenticated"