CVE-2023-45911
📋 TL;DR
This critical authentication bypass vulnerability in WIPOTEC GmbH ComScale allows unauthenticated attackers to log in as any user without requiring a password. It affects ComScale versions 4.3.29.21344 and 4.4.12.723, potentially exposing all organizations using these versions to unauthorized access.
💻 Affected Systems
- WIPOTEC GmbH ComScale
📦 What is this software?
Comscale by Wipotec
Comscale by Wipotec
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise where attackers gain administrative privileges, access sensitive data, manipulate configurations, and potentially pivot to other systems.
Likely Case
Unauthorized access to the ComScale system allowing data theft, configuration changes, and disruption of weighing/measurement operations.
If Mitigated
Limited impact if system is isolated behind strong network controls and access restrictions, though authentication bypass remains possible.
🎯 Exploit Status
Public proof-of-concept code exists in GitHub repositories demonstrating the authentication bypass technique.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not publicly available
Restart Required: No
Instructions:
Contact WIPOTEC GmbH directly for patching guidance as no public patch information is available.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to ComScale systems to only trusted IP addresses and networks
Access Control Lists
allImplement strict firewall rules and network segmentation to limit exposure
🧯 If You Can't Patch
- Implement network segmentation to isolate ComScale systems from untrusted networks
- Deploy intrusion detection systems to monitor for authentication bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check ComScale version in application interface or configuration files. If version is 4.3.29.21344 or 4.4.12.723, system is vulnerable.
Check Version:
Check ComScale application interface or configuration files for version information
Verify Fix Applied:
Test authentication functionality by attempting to access the system without valid credentials. If access is denied, the vulnerability may be mitigated.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login without password validation
- Login events from unexpected IP addresses or users
Network Indicators:
- Unusual authentication traffic patterns
- Direct access attempts to ComScale authentication endpoints
SIEM Query:
source="comscale" AND (event_type="authentication" AND result="success" AND auth_method="bypass")