CVE-2024-47221
📋 TL;DR
Rapid SCADA through version 5.8.4 contains an authentication bypass vulnerability in the CheckUser function that allows empty passwords. This enables attackers to gain unauthorized access to SCADA systems without valid credentials. Organizations using Rapid SCADA for industrial control systems are affected.
💻 Affected Systems
- Rapid SCADA
📦 What is this software?
Rapid Scada by Rapidscada
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of SCADA system allowing attackers to manipulate industrial processes, disrupt operations, or cause physical damage to equipment.
Likely Case
Unauthorized access to SCADA interface leading to data theft, system configuration changes, or disruption of monitoring capabilities.
If Mitigated
Limited impact if systems are isolated from networks and have additional authentication layers.
🎯 Exploit Status
Simple authentication bypass requiring only knowledge of username and empty password field
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.8.5 or later
Vendor Advisory: https://github.com/RapidScada/scada/commit/b14cbdfa6cf3a205e57f2383c915365adc3859a7
Restart Required: Yes
Instructions:
1. Download Rapid SCADA 5.8.5 or later from official sources. 2. Backup current installation. 3. Install updated version. 4. Restart SCADA services. 5. Verify authentication now rejects empty passwords.
🔧 Temporary Workarounds
Password Policy Enforcement
allImplement password policy requiring non-empty passwords at system level
Network Segmentation
allIsolate SCADA systems from untrusted networks using firewalls
🧯 If You Can't Patch
- Implement multi-factor authentication for SCADA access
- Deploy network monitoring to detect authentication attempts with empty passwords
🔍 How to Verify
Check if Vulnerable:
Attempt to authenticate with valid username and empty password field. If successful, system is vulnerable.Check Version:
Check Rapid SCADA version in application interface or configuration filesVerify Fix Applied:
Attempt authentication with empty password - should be rejected. Check version is 5.8.5 or later.📡 Detection & Monitoring
Log Indicators:
- Authentication attempts with empty password fields
- Successful logins without password verification
Network Indicators:
- HTTP/HTTPS requests to SCADA interface with empty password parameters
SIEM Query:
source="scada_logs" AND (event="authentication" AND password="" OR password_length=0)