CVE-2024-41792
📋 TL;DR
The SENTRON 7KT PAC1260 Data Manager contains a path traversal vulnerability in its web interface that allows unauthenticated attackers to read arbitrary files with root privileges. This affects all versions of the device. Industrial organizations using these devices for power monitoring are at risk.
💻 Affected Systems
- SENTRON 7KT PAC1260 Data Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could read sensitive configuration files, credentials, or system files, potentially enabling further attacks or gaining complete control of the device.
Likely Case
Attackers would exfiltrate configuration data, credentials, or other sensitive information stored on the device.
If Mitigated
With proper network segmentation and access controls, the impact would be limited to the isolated device only.
🎯 Exploit Status
Path traversal vulnerabilities typically require minimal technical skill to exploit once details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Siemens advisory for specific firmware updates
Vendor Advisory: https://cert-portal.siemens.com/productcert/html/ssa-187636.html
Restart Required: Yes
Instructions:
1. Check Siemens advisory for affected firmware versions. 2. Download and apply the latest firmware update from Siemens. 3. Restart the device to apply changes. 4. Verify the web interface no longer accepts path traversal sequences.
🔧 Temporary Workarounds
Disable Web Interface
allTemporarily disable the web interface until patching is possible
Consult device documentation for web interface disable procedure
Network Segmentation
allIsolate the device from untrusted networks
Configure firewall rules to restrict access to device IP/ports
🧯 If You Can't Patch
- Implement strict network access controls to limit device access to authorized IPs only
- Monitor device logs for unusual file access patterns or path traversal attempts
🔍 How to Verify
Check if Vulnerable:
Test web interface for path traversal by attempting to access files like ../../etc/passwdCheck Version:
Check device web interface or console for firmware version informationVerify Fix Applied:
After patching, attempt path traversal tests again - they should fail with proper input validation📡 Detection & Monitoring
Log Indicators:
- Web server logs showing requests with ../ sequences
- Unauthorized file access attempts
Network Indicators:
- HTTP requests containing path traversal sequences to device IP
SIEM Query:
source="web_logs" AND (uri="*../*" OR uri="*..%2f*") AND dest_ip="device_ip"