CVE-2023-51590
📋 TL;DR
This vulnerability allows unauthenticated remote attackers to upload arbitrary files to Voltronic Power ViewPower Pro systems, leading to remote code execution. Attackers can execute commands with LOCAL SERVICE privileges, potentially gaining full control of affected devices. All installations using vulnerable versions are at risk.
💻 Affected Systems
- Voltronic Power ViewPower Pro
📦 What is this software?
Viewpower by Voltronicpower
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install malware, pivot to other systems, disrupt power management operations, or establish persistent access.
Likely Case
Attackers upload web shells or malicious scripts to execute arbitrary commands, potentially stealing data, disrupting operations, or using the system as a foothold for further attacks.
If Mitigated
With proper network segmentation and access controls, impact is limited to the affected system, though local service compromise still allows significant damage.
🎯 Exploit Status
Unrestricted file upload vulnerabilities are easily weaponized and often exploited quickly after disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in available references
Vendor Advisory: Not provided in available references
Restart Required: Yes
Instructions:
1. Contact Voltronic Power for patch information 2. Apply vendor-provided update 3. Restart ViewPower Pro service 4. Verify patch application
🔧 Temporary Workarounds
Network Segmentation
allIsolate ViewPower Pro systems from untrusted networks and internet access
Web Application Firewall
allDeploy WAF with rules blocking file uploads to UpLoadAction endpoint
🧯 If You Can't Patch
- Implement strict network access controls to limit connections to trusted IPs only
- Monitor for suspicious file uploads and unusual process execution from LOCAL SERVICE context
🔍 How to Verify
Check if Vulnerable:
Check if UpLoadAction endpoint accepts file uploads without authentication or proper validationCheck Version:
Check ViewPower Pro version in application interface or configuration filesVerify Fix Applied:
Test that file uploads are properly validated and restricted after patch📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to UpLoadAction endpoint
- Process execution from unusual locations
- Files created in web-accessible directories
Network Indicators:
- HTTP POST requests to UpLoadAction with file uploads
- Unusual outbound connections from ViewPower Pro system
SIEM Query:
source="ViewPower" AND (url="*UpLoadAction*" OR process="cmd.exe" OR process="powershell.exe")