CVE-2023-51574
📋 TL;DR
This vulnerability allows remote attackers to bypass authentication on Voltronic Power ViewPower systems without requiring credentials. The exposed updateManagerPassword method enables complete authentication bypass. All installations of affected Voltronic Power ViewPower products are vulnerable.
💻 Affected Systems
- Voltronic Power ViewPower
📦 What is this software?
Viewpower by Voltronicpower
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to gain administrative access, modify configurations, disrupt power management operations, and potentially pivot to other systems.
Likely Case
Unauthorized access to power management systems leading to configuration changes, operational disruption, and potential data exposure.
If Mitigated
Limited impact if systems are isolated behind firewalls with strict network access controls and monitored for unauthorized access attempts.
🎯 Exploit Status
Authentication bypass vulnerabilities are typically easy to exploit once the method is identified. The ZDI advisory suggests the vulnerability is actively being addressed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Voltronic Power security advisory for specific patched versions
Vendor Advisory: https://www.zerodayinitiative.com/advisories/ZDI-23-1880/
Restart Required: Yes
Instructions:
1. Contact Voltronic Power for security patches. 2. Apply the vendor-provided patch. 3. Restart affected systems. 4. Verify authentication mechanisms are functioning correctly.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to Voltronic Power ViewPower systems to only authorized management networks
Use firewall rules to block external access to ViewPower management interfaces
Access Control Lists
allImplement strict IP-based access controls for management interfaces
Configure network devices to only allow specific IP addresses to access ViewPower systems
🧯 If You Can't Patch
- Isolate affected systems in a dedicated VLAN with strict firewall rules
- Implement network monitoring and alerting for unauthorized access attempts to ViewPower systems
🔍 How to Verify
Check if Vulnerable:
Check if the updateManagerPassword method is accessible without authentication. Test with authorized security testing tools only.Check Version:
Check system firmware/software version through ViewPower management interface or consult vendor documentationVerify Fix Applied:
Verify that authentication is required for all management functions, particularly the updateManagerPassword method.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to management functions
- Authentication bypass attempts
- Unexpected configuration changes
Network Indicators:
- Unusual traffic patterns to ViewPower management ports
- Authentication bypass attempts in network logs
SIEM Query:
source="viewpower" AND (event_type="auth_failure" OR event_type="config_change")