CVE-2014-2908 in SIMATIC S7 Cpu 1200
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU devices 2.x and 3.x allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 05/12/2026
The CVE-2014-2908 vulnerability represents a critical cross-site scripting flaw within the integrated web server of Siemens SIMATIC S7-1200 CPU devices running firmware versions 2.x and 3.x. This vulnerability exists in industrial control systems that are widely deployed in manufacturing and process automation environments, making it particularly concerning for operational technology security. The affected devices operate as programmable logic controllers that serve as the core control units in industrial automation systems, often connected to critical infrastructure where unauthorized access could lead to significant operational disruptions or safety hazards.
The technical nature of this vulnerability stems from insufficient input validation and output encoding within the web server component of these industrial devices. Attackers can exploit unspecified vectors to inject malicious web scripts or HTML code into the web interface, potentially allowing them to execute arbitrary code in the context of a victim's browser session. This weakness falls under CWE-79, which specifically addresses cross-site scripting vulnerabilities in web applications. The vulnerability is classified as remote because attackers can exploit it without requiring physical access to the device, making it particularly dangerous in networked industrial environments where these controllers may be directly connected to corporate networks or the internet.
The operational impact of this vulnerability extends beyond traditional web application security concerns into the realm of industrial control systems security. In industrial environments, the S7-1200 CPU devices are fundamental components that control machinery, processes, and safety systems. An attacker who successfully exploits this XSS vulnerability could potentially gain unauthorized access to sensitive operational data, manipulate control parameters, or even disrupt critical manufacturing processes. The attack surface is particularly concerning because these devices often operate in environments where network segmentation is minimal or non-existent, allowing attackers to move laterally within industrial networks after initial compromise. This vulnerability directly impacts the integrity and availability of industrial processes, potentially leading to production downtime, safety incidents, or even physical damage to equipment.
Mitigation strategies for CVE-2014-2908 should encompass both immediate and long-term security measures. Organizations should implement network segmentation to isolate industrial control systems from general corporate networks, thereby reducing the attack surface available to potential attackers. Regular firmware updates and patches should be applied immediately when available from Siemens, as this vulnerability was addressed in subsequent firmware releases. Network monitoring and intrusion detection systems should be configured to detect suspicious web traffic patterns that might indicate exploitation attempts. Security awareness training for industrial control system operators should emphasize the importance of secure network practices and the potential risks of connecting industrial devices to untrusted networks. The vulnerability also highlights the need for implementing proper access controls and authentication mechanisms within industrial environments, as outlined in the NIST Cybersecurity Framework and aligned with ATT&CK framework techniques related to credential access and privilege escalation. Organizations should also consider implementing web application firewalls specifically designed for industrial environments to provide additional protection against such attacks.