CVE-2022-31491
📋 TL;DR
This critical vulnerability allows unauthenticated remote attackers to execute arbitrary code on Voltronic Power management systems via the web interface. It affects ViewPower, ViewPower Pro, and PowerShield Netguard products regardless of UPS device state or presence. Organizations using these systems for power management are at immediate risk.
💻 Affected Systems
- Voltronic Power ViewPower
- ViewPower Pro
- PowerShield Netguard
⚠️ 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 allowing attackers to install persistent malware, disrupt power management systems, pivot to internal networks, and cause physical damage to connected equipment.
Likely Case
Attackers gain full control of affected systems to deploy ransomware, steal credentials, or use as foothold for lateral movement within the network.
If Mitigated
If properly segmented and monitored, impact limited to isolated power management systems with minimal data exposure.
🎯 Exploit Status
Public exploit details available in security advisories. Attack requires network access to web interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ViewPower 1.04-24216+, ViewPower Pro 2.0-22166+, PowerShield Netguard 1.04-23292+
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-182-05
Restart Required: Yes
Instructions:
1. Contact Voltronic Power for updated firmware. 2. Backup current configuration. 3. Apply firmware update following vendor instructions. 4. Restart system. 5. Verify version update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected systems from internet and restrict network access
Configure firewall rules to block all inbound traffic to affected systems except from management stations
Access Control
allImplement network-level authentication and access controls
Use VPN or jump host for management access
Implement IP whitelisting for management interfaces
🧯 If You Can't Patch
- Immediately disconnect affected systems from internet and restrict to isolated VLAN
- Implement strict network monitoring and alerting for any access attempts to affected systems
🔍 How to Verify
Check if Vulnerable:
Check web interface version at http://[device-ip]/ or review firmware version in management consoleCheck Version:
curl -s http://[device-ip]/version or check web interface login pageVerify Fix Applied:
Verify firmware version matches patched versions listed above📡 Detection & Monitoring
Log Indicators:
- Unauthenticated web requests to UPS management endpoints
- Unusual process execution or file creation on affected systems
Network Indicators:
- HTTP requests to /cgi-bin/ or similar paths on port 80/443 of affected systems
- Unusual outbound connections from power management systems
SIEM Query:
source_ip=* dest_ip=[UPS_IP] (http_method=POST OR http_method=GET) uri_path="/cgi-bin/*"