CVE-2024-55023
📋 TL;DR
Weintek cMT-3072XH2 HMI devices contain a hardcoded encryption key in easyweb v2.1.53 and OS v20231011, allowing attackers to decrypt sensitive information. This affects industrial control systems using these specific versions. Attackers could potentially access configuration data, credentials, or other protected information.
💻 Affected Systems
- Weintek cMT-3072XH2
⚠️ 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 decrypt all sensitive data stored on the device, including credentials, configuration files, and proprietary industrial data, leading to complete system compromise and potential physical process manipulation.
Likely Case
Attackers access configuration files and potentially credentials, enabling further attacks on the industrial network or data exfiltration.
If Mitigated
With proper network segmentation and access controls, impact is limited to the specific device, though sensitive data remains vulnerable to extraction.
🎯 Exploit Status
Exploitation requires access to encrypted data files and knowledge of the hardcoded key. The GitHub gist provides technical details about the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
Check with Weintek for updated firmware versions. If available, download and install the latest firmware following vendor instructions.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices from untrusted networks and limit access to authorized personnel only.
Access Control Enforcement
allImplement strict authentication and authorization controls for accessing the HMI web interface.
🧯 If You Can't Patch
- Monitor network traffic to/from affected devices for unusual access patterns
- Consider replacing affected devices with updated models if available
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or serial console. Verify if running easyweb v2.1.53 and OS v20231011.Check Version:
Check via web interface at http://<device-ip>/ or serial console connectionVerify Fix Applied:
Update to a newer firmware version if available from Weintek and verify the version has changed.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts
- Unusual file access patterns
- Configuration file modifications
Network Indicators:
- Unexpected connections to device management ports
- Traffic patterns indicating data exfiltration
SIEM Query:
source="weintek-hmi" AND (event_type="config_change" OR event_type="file_access")