CVE-2022-50592
📋 TL;DR
This vulnerability allows remote attackers to bypass authentication and execute SQL injection against Advantech iView's SNMP management tool. Successful exploitation leads to remote code execution with administrator privileges. Organizations using Advantech iView versions prior to v5.7.04 build 6425 are affected.
💻 Affected Systems
- Advantech iView
📦 What is this software?
Iview by Advantech
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrator privileges, allowing attackers to execute arbitrary code, steal sensitive data, pivot to other systems, and maintain persistent access.
Likely Case
Remote code execution leading to data theft, system manipulation, and potential lateral movement within the network.
If Mitigated
Limited impact with proper network segmentation and access controls, potentially only affecting the iView application instance.
🎯 Exploit Status
The vulnerability combines authentication bypass with SQL injection, making exploitation straightforward. Public technical details and proof-of-concept information are available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v5.7.04 build 6425 or later
Vendor Advisory: https://www.advantech.tw/support/details/firmware?id=1-HIPU-183
Restart Required: Yes
Instructions:
1. Download the patched version (v5.7.04 build 6425 or later) from Advantech's support portal. 2. Backup current configuration and data. 3. Install the update following vendor instructions. 4. Restart the iView service or server.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to the iView SNMP management tool to only trusted IP addresses.
Use firewall rules to block external access to iView ports (typically 80/443 and SNMP ports)
Implement network segmentation to isolate iView from critical systems
Disable SNMP Management Tool
allTemporarily disable the vulnerable SNMP management tool component if not required.
Stop the iView SNMP service
Disable SNMP functionality in iView configuration
🧯 If You Can't Patch
- Implement strict network segmentation to isolate iView systems from critical infrastructure
- Deploy web application firewall (WAF) with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Check iView version in administration interface or via system information. Versions prior to v5.7.04 build 6425 are vulnerable.Check Version:
Check iView web interface -> System Information, or examine iView installation directory for version files.Verify Fix Applied:
Verify version is v5.7.04 build 6425 or later in administration interface. Test SNMP management tool functionality to ensure it's working without vulnerability.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in iView logs
- Multiple failed authentication attempts followed by successful access
- Unexpected process execution from iView service
Network Indicators:
- Unusual traffic to /NetworkServlet endpoint
- SQL injection patterns in HTTP requests
- Unexpected outbound connections from iView server
SIEM Query:
source="iView_logs" AND ("getInventoryReportData" OR "NetworkServlet") AND (sql OR union OR select)