CVE-2024-4944
📋 TL;DR
This CVE describes a local privilege escalation vulnerability in WatchGuard Mobile VPN with SSL client on Windows. It allows a local authenticated user to execute arbitrary commands with SYSTEM-level privileges. Only Windows systems running the vulnerable VPN client are affected.
💻 Affected Systems
- WatchGuard Mobile VPN with SSL client
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker with local access can gain full SYSTEM privileges, enabling complete system compromise, data theft, persistence mechanisms, and lateral movement.
Likely Case
Malicious local user or malware with user privileges escalates to SYSTEM to install additional payloads, disable security controls, or access protected resources.
If Mitigated
With proper endpoint security controls and limited local user privileges, exploitation would be detected or prevented, limiting impact to isolated systems.
🎯 Exploit Status
Exploitation requires local authenticated access. The vulnerability is in the client software itself.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.10.3
Vendor Advisory: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00010
Restart Required: Yes
Instructions:
1. Download WatchGuard Mobile VPN with SSL client version 12.10.3 or later from WatchGuard's official site. 2. Run the installer on affected Windows systems. 3. Restart the system to complete the installation.
🔧 Temporary Workarounds
Remove vulnerable client
windowsUninstall the WatchGuard Mobile VPN with SSL client if not required.
Control Panel > Programs > Uninstall a program > Select 'WatchGuard Mobile VPN with SSL' > Uninstall
Restrict local user privileges
windowsImplement least privilege for local users to reduce attack surface.
🧯 If You Can't Patch
- Implement strict endpoint security controls to detect privilege escalation attempts.
- Monitor for unusual process creation or privilege changes on systems with the vulnerable client.
🔍 How to Verify
Check if Vulnerable:
Check the installed version of WatchGuard Mobile VPN with SSL client via Control Panel > Programs or by checking the program files directory.Check Version:
wmic product where name='WatchGuard Mobile VPN with SSL' get versionVerify Fix Applied:
Verify the installed version is 12.10.3 or later after patching.📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing unexpected process creation with SYSTEM privileges, especially from user contexts.
- Security logs indicating privilege escalation attempts.
Network Indicators:
- Unusual outbound connections from the VPN client process post-exploitation.
SIEM Query:
source='windows_security' AND (event_id=4688 OR event_id=4672) AND process_name='*WatchGuard*' AND user_name!='SYSTEM' AND integrity_level='High'