CVE-2025-4377 in Pro Cloud Server
Summary
by MITRE • 05/09/2025
Improper Limitation of a Pathname caused a Path Traversal vulnerability in Sparx Systems Pro Cloud Server.
This vulnerability is present in logview.php and it allows reading arbitrary files on the filesystem.
Logview is accessible on Pro Cloud Server Configuration interface.
This issue affects Pro Cloud Server: earlier than 6.0.165.
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Analysis
by VulDB Data Team • 05/09/2025
The vulnerability identified as CVE-2025-4377 represents a critical path traversal flaw within Sparx Systems Pro Cloud Server version 6.0.165 and earlier. This security weakness stems from improper limitation of pathname parameters, specifically affecting the logview.php component that serves as an interface for accessing server logs. The flaw enables unauthorized users to exploit the system's file handling mechanisms and read arbitrary files from the underlying filesystem, potentially exposing sensitive information and system configurations. The vulnerability exists within the Pro Cloud Server's configuration interface, making it accessible to anyone with appropriate network access to the server's administrative endpoints.
The technical implementation of this vulnerability allows attackers to manipulate input parameters passed to the logview.php script, which processes these inputs without proper validation or sanitization. When a user accesses the logview functionality, the application fails to adequately restrict file path traversal sequences such as "../" or similar constructs that would normally be filtered by proper input validation. This absence of input sanitization creates a direct pathway for attackers to navigate the filesystem hierarchy and access files outside the intended directory scope. The vulnerability is particularly concerning because it operates within the administrative interface, meaning that an attacker could potentially access system logs, configuration files, and other sensitive data that should remain protected from unauthorized access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it could enable attackers to gain insights into the server's internal structure and potentially identify other security weaknesses. System administrators and security professionals should note that this vulnerability affects the Pro Cloud Server's core functionality, specifically its logging mechanism, which is typically considered a trusted component. Attackers could leverage this flaw to access sensitive system information, including but not limited to database connection strings, user credentials stored in configuration files, and other system-level data that could facilitate further attacks. The fact that this vulnerability exists in the configuration interface makes it particularly dangerous as it may provide access to administrative functions that could be used to escalate privileges or modify system settings.
Mitigation strategies for this vulnerability should include immediate deployment of the patched version 6.0.165 or later, which addresses the path traversal issue through proper input validation and sanitization. Organizations should also implement additional network-level controls such as restricting access to the Pro Cloud Server configuration interface to trusted IP addresses only, implementing proper authentication mechanisms, and monitoring for suspicious file access patterns. From a compliance perspective, this vulnerability aligns with CWE-22 Path Traversal and represents a significant concern under ATT&CK framework category T1566, specifically targeting credential access and privilege escalation techniques. System administrators should also consider implementing file access controls and regular security audits to prevent unauthorized access to sensitive system files, while ensuring that all web applications properly validate and sanitize user inputs to prevent similar vulnerabilities from occurring in other components of the system infrastructure.