IniNet Solutions SCADA Web Server Vulnerabilities
Act Now9.8ICS-CERT ICSA-15-293-02Jul 23, 2015
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary
IniNet Solutions SCADA Web Server versions prior to 2.02 contain multiple critical vulnerabilities: a buffer overflow (CWE-121), integer overflow (CWE-177), and path traversal (CWE-22) flaws. These allow unauthenticated remote attackers to execute arbitrary code with full privileges on the server. The vendor has announced no intention to patch this product.
What this means
What could happen
An attacker with network access to the SCADA Web Server could execute arbitrary code with full system privileges, allowing them to modify control logic, alter setpoints, or disable operations at your facility.
Who's at risk
Energy sector operators running legacy SCADA Web Server instances for monitoring or administrative access. Any facility using this product for plant-level web-based supervisory control or data access is at risk, particularly utilities managing distribution systems, generation facilities, or water treatment plants.
How it could be exploited
An attacker sends a specially crafted network request to the SCADA Web Server (port 80 or 443). Due to buffer overflow (CWE-121) and path traversal (CWE-22) flaws, the attacker gains code execution without needing credentials or user interaction. Once in, they can execute commands on the server process.
Prerequisites
- Network access to SCADA Web Server (TCP port 80/443)
- No authentication or credentials required
remotely exploitableno authentication requiredlow complexityno patch availableaffects control systemsend-of-life product
Exploitability
Moderate exploit probability (EPSS 2.8%)
Affected products (1)
ProductAffected VersionsFix Status
SCADA Web Server: <2.02<2.02No fix (EOL)
Remediation & Mitigation
0/5
Do now
0/3HARDENINGIsolate or air-gap the SCADA Web Server from untrusted networks; restrict network access to engineering workstations and authorized administrative systems only
WORKAROUNDImplement network firewall rules to block inbound traffic to SCADA Web Server ports (80, 443) from all networks except authorized administrative subnets
WORKAROUNDDisable the web interface entirely if it is not actively in use; if required, run only behind a reverse proxy with input validation
Schedule — requires maintenance window
0/1Patching may require device reboot — plan for process interruption
HARDENINGMonitor network traffic to and from the SCADA Web Server for suspicious patterns or exploit attempts
Mitigations - no patch available
0/1SCADA Web Server: <2.02 has reached End of Life. The vendor will not release a patch. Apply the following compensating controls:
HARDENINGPlan migration to a vendor-supported SCADA solution; this product is end-of-life and will not receive security updates
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