CVE-2002-0331 in BPM Studio Pro
Summary
by MITRE
Directory traversal vulnerability in the HTTP server for BPM Studio Pro 4.2 allows remote attackers to read arbitrary files via a .. (dot dot) in the HTTP request.
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Analysis
by VulDB Data Team • 05/28/2025
The vulnerability identified as CVE-2002-0331 represents a critical directory traversal flaw in the HTTP server component of BPM Studio Pro version 4.2. This weakness enables remote attackers to access arbitrary files on the affected system by manipulating HTTP requests through the use of dot-dot sequences. The vulnerability stems from inadequate input validation and path sanitization within the web server's file access mechanisms, creating a pathway for unauthorized data disclosure.
This directory traversal vulnerability operates by exploiting insufficient validation of user-supplied input in HTTP requests. When the HTTP server processes requests containing .. (dot dot) sequences, it fails to properly sanitize these path traversal characters, allowing attackers to navigate beyond the intended directory structure. The flaw specifically affects the file serving capabilities of the web server component, enabling attackers to access files that should remain protected within the application's directory hierarchy. This type of vulnerability is categorized under CWE-22 as "Improper Limiting of a Pathname to a Restricted Directory ('Path Traversal')".
The operational impact of this vulnerability extends beyond simple information disclosure, as it can potentially expose sensitive system files, configuration data, and application resources. Attackers can leverage this weakness to access database files, source code repositories, system configuration files, and other confidential data stored on the server. The remote nature of the attack means that exploitation does not require physical access to the system, making it particularly dangerous for web-facing applications. This vulnerability aligns with ATT&CK technique T1213.002 for "Data from Information Repositories" and represents a common vector for initial access and reconnaissance activities.
The security implications of CVE-2002-0331 demonstrate the critical importance of proper input validation and access control mechanisms in web applications. Organizations running BPM Studio Pro 4.2 are at risk of unauthorized data access, potential system compromise, and exposure of sensitive business information. The vulnerability's exploitation requires minimal technical skill and can be automated, making it attractive to both opportunistic and targeted attackers. This flaw highlights the need for comprehensive security testing, including input validation checks, and proper implementation of secure coding practices to prevent path traversal attacks. Remediation efforts should focus on implementing proper path validation, restricting file access permissions, and applying security patches or updates to the affected software version.