CVE-2020-27285
📋 TL;DR
CVE-2020-27285 is an authentication bypass vulnerability in Crimson 3.1 software that allows unauthenticated users to read and modify the database. This affects industrial control systems using Crimson 3.1 versions prior to 3119.001 with default configurations.
💻 Affected Systems
- Red Lion Crimson 3.1
📦 What is this software?
Crimson by Redlion
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of industrial control systems allowing attackers to modify critical process parameters, disrupt operations, or cause physical damage.
Likely Case
Unauthorized access to sensitive industrial data, configuration tampering, and potential operational disruption.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external access to vulnerable systems.
🎯 Exploit Status
Authentication bypass vulnerabilities are typically easy to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3119.001 or later
Vendor Advisory: https://www.redlion.net/support/security-advisories
Restart Required: Yes
Instructions:
1. Download Crimson 3.1 version 3119.001 or later from Red Lion support portal. 2. Backup current configurations. 3. Install the update following vendor instructions. 4. Restart affected systems. 5. Verify authentication is now required for database access.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Crimson systems from untrusted networks using firewalls.
Access Control Lists
allImplement strict network access controls to limit connections to Crimson systems.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems
- Deploy intrusion detection systems to monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check Crimson 3.1 version in software interface. If version is below 3119.001, system is vulnerable.Check Version:
Check version in Crimson 3.1 software interface under Help > AboutVerify Fix Applied:
Verify version is 3119.001 or later and test that authentication is required for database access.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated database access attempts
- Configuration changes without authentication logs
Network Indicators:
- Unusual database queries from unauthorized IPs
- Traffic to Crimson database ports without authentication
SIEM Query:
source="crimson_logs" AND (event_type="database_access" AND auth_status="none")