CVE-2024-28747
📋 TL;DR
CVE-2024-28747 allows unauthenticated remote attackers to access SmartSPS devices using hard-coded credentials with high privileges. This affects all SmartSPS devices with vulnerable firmware versions, exposing them to complete compromise.
💻 Affected Systems
- SmartSPS devices
⚠️ 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 takeover, data exfiltration, lateral movement to other systems, and disruption of industrial operations.
Likely Case
Unauthorized access to device configuration, potential data theft, and device manipulation.
If Mitigated
Limited impact if devices are isolated behind firewalls with strict network controls.
🎯 Exploit Status
Exploitation requires only knowledge of hard-coded credentials and network access to device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched versions
Vendor Advisory: https://cert.vde.com/en/advisories/VDE-2024-012
Restart Required: Yes
Instructions:
1. Check vendor advisory for patched firmware version. 2. Download firmware from vendor portal. 3. Apply firmware update following vendor instructions. 4. Reboot device.
🔧 Temporary Workarounds
Network segmentation
allIsolate SmartSPS devices from untrusted networks
Access control lists
allImplement strict firewall rules limiting access to device management interfaces
🧯 If You Can't Patch
- Segment devices in isolated network zones with no internet access
- Implement strict network monitoring and alerting for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against vendor advisory. Attempt authentication with known hard-coded credentials (not recommended in production).Check Version:
Check device web interface or use vendor-specific CLI commands (varies by device model)Verify Fix Applied:
Verify firmware version matches patched version from vendor advisory. Test that hard-coded credentials no longer work.📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts followed by successful login
- Unauthorized configuration changes
- Access from unexpected IP addresses
Network Indicators:
- Traffic to device management ports from unauthorized sources
- Unusual protocol patterns
SIEM Query:
source_ip=* AND destination_port=443 AND event_type="authentication_success" AND user="admin"