CVE-2025-4530 in ssm-erp
Summary
by MITRE • 05/11/2025
A vulnerability was found in feng_ha_ha/megagao ssm-erp and production_ssm 1.0. It has been declared as problematic. Affected by this vulnerability is the function handleFileDownload of the file FileController.java of the component File Handler. The manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product is distributed under two entirely different names.
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Analysis
by VulDB Data Team • 05/11/2025
This vulnerability exists within the feng_ha_ha/megagao ssm-erp and production_ssm 1.0 web applications where the FileController.java component contains a path traversal flaw in its handleFileDownload function. The issue stems from insufficient input validation and sanitization of file path parameters, allowing attackers to manipulate the file system access through crafted requests. The vulnerability has been publicly disclosed and is actively exploitable, making it a critical concern for organizations using these specific software implementations.
The technical exploitation occurs when an attacker submits a malicious file path parameter to the handleFileDownload function, bypassing normal file access controls and potentially accessing arbitrary files on the server. This type of vulnerability maps directly to CWE-22 Path Traversal and aligns with ATT&CK technique T1083 File and Directory Discovery, as attackers can enumerate and access unauthorized files on the target system. The path traversal vulnerability allows for reading sensitive data, including configuration files, database credentials, and application source code that may contain additional security flaws.
Remote exploitation is possible since the vulnerability exists in a web-facing component that accepts user input through HTTP requests. Attackers can leverage this flaw to access files outside of the intended directory structure, potentially leading to complete system compromise. The vulnerability affects both the megagao ssm-erp and production_ssm 1.0 applications, suggesting a broader impact across similar software implementations. Organizations using either of these products face significant risk as the exploit is publicly available and actively used in the wild.
The recommended mitigations include implementing strict input validation and sanitization for all file path parameters, enforcing proper access controls and directory restrictions, and implementing a whitelist approach for file access operations. Organizations should also consider implementing web application firewalls, input filtering mechanisms, and regular security audits of file handling components. Additionally, the affected applications should be updated to versions that address this specific path traversal vulnerability, as the public disclosure increases the likelihood of exploitation attempts. The vulnerability demonstrates the importance of secure file handling practices and proper input validation in preventing unauthorized system access.