CVE-2023-28398
📋 TL;DR
CVE-2023-28398 allows unauthenticated attackers to create accounts and bypass authentication on Osprey Pump Controller version 1.01, gaining unauthorized access to industrial control systems. This affects organizations using this specific pump controller version in water/wastewater, industrial, or critical infrastructure environments.
💻 Affected Systems
- Osprey Pump Controller
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover allowing threat actors to disrupt pump operations, modify critical parameters, cause physical damage to equipment, or shut down essential water/wastewater services.
Likely Case
Unauthorized access leading to operational disruption, data manipulation, or temporary service interruption in affected pump control systems.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external access to the vulnerable interface.
🎯 Exploit Status
The vulnerability description suggests trivial exploitation - creating accounts without authentication. No specific exploit code is publicly documented in the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check with vendor for updated version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-23-082-06
Restart Required: Yes
Instructions:
1. Contact Osprey vendor for patched firmware. 2. Backup current configuration. 3. Apply firmware update following vendor instructions. 4. Restart controller. 5. Verify authentication controls are functioning.
🔧 Temporary Workarounds
Network Segmentation
allIsolate pump controller on separate VLAN with strict firewall rules preventing external access
Access Control Lists
allImplement IP-based restrictions allowing only authorized management stations to access controller interface
🧯 If You Can't Patch
- Implement strict network segmentation to isolate controller from untrusted networks
- Deploy network monitoring and intrusion detection for authentication bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check device version via web interface or serial console. If version is 1.01 and allows account creation without authentication, it's vulnerable.Check Version:
Check via device web interface or vendor-specific CLI commandsVerify Fix Applied:
Attempt to create an account without valid credentials. Successful fix should require proper authentication for account creation.📡 Detection & Monitoring
Log Indicators:
- Unusual account creation events
- Authentication bypass attempts
- Access from unauthorized IP addresses
Network Indicators:
- HTTP POST requests to account creation endpoints without authentication
- Unusual traffic patterns to pump controller
SIEM Query:
source="pump-controller" AND (event_type="account_creation" OR auth_result="bypass")