CVE-2023-25948
📋 TL;DR
This vulnerability allows attackers to obtain sensitive configuration data from Honeywell systems by sending specially crafted messages that trigger error responses. It affects Honeywell products that process these messages without proper error handling. Organizations using vulnerable Honeywell industrial control systems are at risk.
💻 Affected Systems
- Honeywell industrial control and automation systems
📦 What is this software?
Direct Station by Honeywell
Direct Station by Honeywell
Direct Station by Honeywell
Experion Server by Honeywell
Experion Server by Honeywell
Experion Server by Honeywell
Experion Server by Honeywell
Experion Server by Honeywell
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain complete system configuration including network settings, security parameters, and operational data, enabling further attacks or industrial espionage.
Likely Case
Attackers gain partial configuration information that could be used for reconnaissance or to identify other vulnerabilities.
If Mitigated
Limited exposure of non-critical configuration details with no impact on system operations.
🎯 Exploit Status
Exploitation requires sending specially crafted messages but appears straightforward based on description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Consult Honeywell Security Notification for specific patched versions
Vendor Advisory: https://process.honeywell.com
Restart Required: Yes
Instructions:
1. Review Honeywell Security Notification
2. Identify affected products and versions
3. Apply vendor-provided patches or upgrades
4. Restart affected systems
5. Verify patch application
🔧 Temporary Workarounds
Network segmentation and filtering
allRestrict access to affected systems using firewalls and network segmentation
Error message suppression
allConfigure systems to suppress detailed error messages in responses
🧯 If You Can't Patch
- Implement strict network access controls to limit who can send messages to affected systems
- Monitor for unusual error messages or configuration data in network traffic
🔍 How to Verify
Check if Vulnerable:
Check system version against Honeywell advisory and test with controlled error-triggering messagesCheck Version:
Vendor-specific command; consult Honeywell documentationVerify Fix Applied:
Verify patch version is installed and test that error responses no longer contain configuration data📡 Detection & Monitoring
Log Indicators:
- Unusual error messages in system logs
- Multiple error responses to similar requests
- Configuration data appearing in error logs
Network Indicators:
- Unusual message patterns triggering errors
- Responses containing configuration data
SIEM Query:
Search for error messages containing configuration strings or unusual error patterns from Honeywell systems