CVE-2024-11969
📋 TL;DR
CVE-2024-11969 is an insecure file permissions vulnerability in NetCloud Exchange client for Windows that allows any local user to gain full control over application files. This enables privilege escalation, arbitrary code execution, and persistence on compromised systems. All Windows users running the vulnerable version are affected.
💻 Affected Systems
- Cradlepoint NetCloud Exchange Client
⚠️ 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 system compromise where an attacker gains administrative privileges, installs persistent malware, steals credentials, and moves laterally through the network.
Likely Case
Local privilege escalation leading to installation of backdoors, credential theft, and persistence mechanisms on individual workstations.
If Mitigated
Limited to local user account compromise without network propagation if proper access controls and monitoring are in place.
🎯 Exploit Status
Exploitation requires local access but is technically simple - involves modifying files with excessive permissions granted to the 'Everyone' group.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for patched version
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-default-permissions-cradlepoint-netcloud-exchange
Restart Required: Yes
Instructions:
1. Check vendor advisory for latest patched version. 2. Download and install updated NetCloud Exchange client. 3. Restart the system. 4. Verify file permissions have been corrected.
🔧 Temporary Workarounds
Manual Permission Correction
windowsManually adjust file and folder permissions to remove 'Everyone' group full control access
icacls "C:\Program Files\NetCloud Exchange\*" /remove:g "Everyone" /T
icacls "C:\ProgramData\NetCloud Exchange\*" /remove:g "Everyone" /T
Application Removal
windowsUninstall vulnerable client if not essential
Control Panel > Programs > Uninstall a program > Select NetCloud Exchange > Uninstall
🧯 If You Can't Patch
- Implement strict access controls and monitor for unauthorized file modifications
- Restrict local user access to systems running vulnerable software
🔍 How to Verify
Check if Vulnerable:
Check if NetCloud Exchange version 1.110.50 is installed and verify file permissions with: icacls "C:\Program Files\NetCloud Exchange"Check Version:
Check program version in Control Panel > Programs or examine installation directory propertiesVerify Fix Applied:
Verify updated version is installed and 'Everyone' group does not have Full Control permissions on NetCloud Exchange directories📡 Detection & Monitoring
Log Indicators:
- Windows Security Event ID 4663 (File system access) showing 'Everyone' group modifying NetCloud Exchange files
- Unexpected process creation from NetCloud Exchange directories
Network Indicators:
- Unusual outbound connections from systems running NetCloud Exchange
SIEM Query:
source="Windows Security" EventID=4663 ObjectName="*NetCloud Exchange*" AccessMask="0x1F01FF"