CVE-2013-2809 in PI Interface
Summary
by MITRE
The DNP Master Driver in the OSIsoft PI Interface before 3.1.2.54 for DNP3 allows remote attackers to cause a denial of service (interface shutdown) via a crafted TCP packet.
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Analysis
by VulDB Data Team • 05/10/2026
The vulnerability identified as CVE-2013-2809 affects the OSIsoft PI Interface version 3.1.2.54 and earlier, specifically within the DNP Master Driver component that handles DNP3 protocol communications. This issue represents a significant security weakness in industrial control systems where the DNP3 protocol is commonly deployed for supervisory control and data acquisition in critical infrastructure environments. The DNP3 protocol operates at the application layer and is widely used in electric utilities, water treatment facilities, and other industrial automation systems for remote terminal unit communication. The affected OSIsoft PI Interface serves as a bridge between these industrial devices and enterprise systems, making it a critical component in the overall security posture of industrial networks.
The technical flaw stems from inadequate input validation within the DNP Master Driver's TCP packet processing mechanism. When a remote attacker crafts a specially designed TCP packet, the system fails to properly handle the malformed data structure, leading to an uncontrolled state that ultimately results in the interface shutting down completely. This vulnerability falls under the category of improper input validation as classified by CWE-20, specifically manifesting as a weakness in protocol implementation where the system does not adequately sanitize incoming network traffic. The root cause lies in the absence of proper error handling and boundary checking when processing TCP packets, allowing malicious input to trigger an unintended system state that disrupts normal operations.
The operational impact of this vulnerability extends beyond simple service disruption, as it can lead to complete loss of communication between industrial control systems and their monitoring interfaces. When the interface shuts down, operators lose visibility into critical process data, potentially leading to operational inefficiencies or safety hazards in environments where real-time monitoring is essential. The remote nature of the attack means that threat actors can exploit this weakness from outside the network perimeter without requiring physical access or elevated privileges within the system. This characteristic aligns with ATT&CK technique T1499.001 which involves network denial of service attacks, and specifically targets the availability aspect of the CIA triad. The vulnerability affects industrial environments where continuous operation is paramount, making it particularly dangerous in sectors such as power generation, water treatment, and manufacturing where system uptime directly correlates with operational safety and economic considerations.
Mitigation strategies should focus on immediate patch deployment to upgrade the OSIsoft PI Interface to version 3.1.2.54 or later, which contains the necessary fixes for the input validation issues. Network segmentation and access controls should be implemented to limit exposure of the affected systems to untrusted networks, while also applying firewall rules to restrict TCP packet processing from unauthorized sources. Monitoring systems should be enhanced to detect anomalous TCP traffic patterns that might indicate exploitation attempts, and regular vulnerability assessments should be conducted to identify similar weaknesses in industrial control system components. Additionally, implementing network intrusion detection systems specifically configured to monitor DNP3 protocol traffic can provide early warning of potential attacks. The remediation approach should align with NIST SP 800-82 guidelines for industrial control systems security, emphasizing the importance of maintaining updated system components and implementing layered defense strategies to protect critical infrastructure assets from remote exploitation attempts.