CVE-2023-25131
📋 TL;DR
This vulnerability allows remote attackers to log into PowerPanel Business management servers using the default 'admin' password that is never changed during installation or first login. Affected organizations using PowerPanel Business versions 4.8.6 and earlier across Windows, Linux, and macOS platforms are at risk of unauthorized administrative access.
💻 Affected Systems
- PowerPanel Business Local/Remote
- PowerPanel Business Management
📦 What is this software?
Powerpanel by Cyberpower
Powerpanel by Cyberpower
Powerpanel by Cyberpower
Powerpanel by Cyberpower
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of power management infrastructure allowing attackers to shut down critical systems, modify power settings, disable monitoring, and potentially pivot to other network resources.
Likely Case
Unauthorized administrative access to power management systems allowing configuration changes, monitoring disruption, and potential service interruption.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external access to management interfaces.
🎯 Exploit Status
Exploitation requires only knowledge of the default 'admin' password and network access to the management interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after v4.8.6
Vendor Advisory: https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_linux#downloads
Restart Required: Yes
Instructions:
1. Download latest version from CyberPower website. 2. Backup current configuration. 3. Install updated version. 4. Restart service/system. 5. Change default admin password immediately.
🔧 Temporary Workarounds
Change Default Admin Password
allManually change the default 'admin' password to a strong, unique password
Login to PowerPanel Business interface with admin/default password
Navigate to User Management/Administration settings
Change admin password to strong alternative
Network Access Restriction
allRestrict network access to PowerPanel management interface using firewall rules
Windows: netsh advfirewall firewall add rule name="Block PowerPanel" dir=in action=block protocol=TCP localport=<port> remoteip=any
Linux: iptables -A INPUT -p tcp --dport <port> -j DROP
🧯 If You Can't Patch
- Immediately change default admin password to strong, unique credential
- Implement network segmentation to restrict access to PowerPanel management interface only to authorized administrative networks
🔍 How to Verify
Check if Vulnerable:
Attempt to login to PowerPanel Business web interface using username 'admin' with default password (check vendor documentation for default)Check Version:
Check PowerPanel Business version in application interface or installation directoryVerify Fix Applied:
Verify login with default credentials fails and only works with newly set strong password📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful admin login
- Login events from unexpected IP addresses
- Configuration changes from unfamiliar sources
Network Indicators:
- Unauthorized access attempts to PowerPanel management port (typically 3052)
- Traffic patterns indicating brute force attempts
SIEM Query:
source="PowerPanel" AND (event="login_success" OR event="config_change") AND user="admin"🔗 References
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_linux#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_mac#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_virtual_machine#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_windows#downloads
- https://zuso.ai/Advisory/
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_linux#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_mac#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_virtual_machine#downloads
- https://www.cyberpower.com/global/en/product/sku/powerpanel_business_for_windows#downloads
- https://zuso.ai/Advisory/
