CVE-2024-26288
📋 TL;DR
This vulnerability allows unauthenticated remote attackers to perform man-in-the-middle attacks due to lack of encryption for sensitive data in affected charging systems. While charging functionality itself is not affected, attackers can intercept and potentially manipulate communication between devices. This affects systems using vulnerable versions of the affected products.
💻 Affected Systems
- Specific products not listed in provided references; refer to VDE advisory for affected products
📦 What is this software?
Charx Sec 3000 Firmware by Phoenixcontact
Charx Sec 3050 Firmware by Phoenixcontact
Charx Sec 3100 Firmware by Phoenixcontact
Charx Sec 3150 Firmware by Phoenixcontact
⚠️ Risk & Real-World Impact
Worst Case
Attackers could intercept sensitive data, manipulate communication between devices, potentially leading to data theft, service disruption, or unauthorized control of connected systems.
Likely Case
Attackers intercepting unencrypted sensitive data during transmission, potentially gaining access to credentials, configuration data, or other sensitive information.
If Mitigated
With proper network segmentation and monitoring, impact is limited to potential data exposure within controlled network segments.
🎯 Exploit Status
Exploitation requires network access to intercept unencrypted traffic; no authentication needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor-specific updates
Vendor Advisory: https://cert.vde.com/en/advisories/VDE-2024-011
Restart Required: Yes
Instructions:
1. Identify affected products using VDE advisory
2. Contact vendor for specific patches
3. Apply vendor-provided updates
4. Restart affected systems
5. Verify encryption is enabled
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected systems from untrusted networks
VPN/Encryption Tunnel
allImplement VPN or encrypted tunnels for communication
🧯 If You Can't Patch
- Implement network-level encryption (IPsec, TLS tunnels)
- Isolate affected systems in separate VLAN with strict access controls
🔍 How to Verify
Check if Vulnerable:
Check if sensitive data is transmitted without encryption using network traffic analysis tools like WiresharkCheck Version:
Check device firmware/software version via vendor-specific management interfaceVerify Fix Applied:
Verify that all sensitive data transmission is encrypted using TLS/SSL or other encryption protocols📡 Detection & Monitoring
Log Indicators:
- Unusual network traffic patterns
- Failed encryption handshake attempts
- Unexpected protocol usage
Network Indicators:
- Unencrypted sensitive data in network captures
- MITM attack patterns in network traffic
SIEM Query:
Search for network traffic containing sensitive data without encryption indicators