CVE-2014-2732 in SINEMA Server
Summary
by MITRE
Multiple directory traversal vulnerabilities in the integrated web server in Siemens SINEMA Server before 12 SP1 allow remote attackers to access arbitrary files via HTTP traffic to port (1) 4999 or (2) 80.
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Analysis
by VulDB Data Team • 05/11/2026
The vulnerability identified as CVE-2014-2732 represents a critical directory traversal flaw in Siemens SINEMA Server software, specifically affecting versions prior to 12 SP1. This vulnerability resides within the integrated web server component that operates on standard HTTP ports 4999 and 80, making it particularly dangerous as these ports are commonly used for industrial communication and monitoring purposes. The flaw allows remote attackers to bypass normal access controls and retrieve arbitrary files from the server's file system, potentially exposing sensitive operational data and system configurations.
The technical implementation of this vulnerability stems from inadequate input validation within the web server's file handling mechanisms. When processing HTTP requests, the server fails to properly sanitize user-supplied path information, enabling attackers to manipulate file access requests through directory traversal sequences such as ../ or ..\.. These sequences allow malicious actors to navigate beyond the intended document root directory and access files that should remain protected. The vulnerability affects both TCP ports 4999 and 80, which are standard ports used by Siemens SINEMA Server for web-based management interfaces and industrial communication protocols, respectively.
From an operational perspective, this vulnerability poses significant risks to industrial control systems and SCADA environments where Siemens SINEMA Server is deployed. Attackers could potentially access configuration files, authentication credentials, system logs, and other sensitive data that could be used for further exploitation or to gain deeper system access. The remote nature of the attack means that threat actors do not require physical access to the system or network to exploit this vulnerability, making it particularly concerning for critical infrastructure environments. The impact extends beyond simple information disclosure, as access to system configuration files could enable attackers to understand system architecture and identify additional attack vectors.
This vulnerability aligns with CWE-22, which specifically addresses directory traversal or path traversal flaws in software systems. The attack pattern described in the MITRE ATT&CK framework would fall under the T1083 technique for discovering system information, where adversaries gather data about the target system to plan further attacks. Organizations utilizing Siemens SINEMA Server should implement immediate mitigations including applying the vendor-provided security patches, restricting network access to the affected ports through firewalls, and conducting thorough security assessments of their industrial control systems. Additionally, network segmentation and monitoring of traffic on ports 4999 and 80 can help detect potential exploitation attempts and provide early warning of security incidents. The vulnerability demonstrates the critical importance of proper input validation and access control mechanisms in industrial systems where security breaches can have significant operational and safety implications.