CVE-2025-2860 in saTECH BCU
Summary
by MITRE • 03/28/2025
SaTECH BCU in its firmware version 2.1.3, allows an authenticated attacker to access information about the credentials that users have within the web (.xml file). In order to exploit this vulnerability, the attacker must know the path, regardless of the user's privileges on the website.
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Analysis
by VulDB Data Team • 10/10/2025
The vulnerability identified as CVE-2025-2860 affects the SaTECH BCU device running firmware version 2.1.3, representing a critical information disclosure flaw that undermines the security posture of industrial control systems. This vulnerability resides within the web interface component of the device and specifically targets the credential storage mechanism, creating a pathway for unauthorized information retrieval that could compromise the entire system infrastructure. The flaw manifests as an improper access control condition where sensitive user credential information is exposed through an xml file that can be accessed via a known path, regardless of the attacker's privileges level within the system. This represents a fundamental breakdown in the principle of least privilege and demonstrates a severe weakness in the device's authorization mechanisms.
The technical exploitation of this vulnerability requires an authenticated attacker who possesses valid credentials to access the system, but the attacker's privileges are irrelevant once they have knowledge of the specific file path. This path traversal vulnerability enables the disclosure of user credentials stored in xml format, which typically contains sensitive authentication data that could be leveraged for further attacks. The vulnerability is classified under CWE-200 as "Information Exposure" and aligns with ATT&CK technique T1552.001 "Credentials In Files" which describes how adversaries can obtain credentials from files on compromised systems. The xml file structure likely contains user accounts, passwords, or authentication tokens that are improperly protected and accessible through predictable paths, making this a particularly dangerous flaw in industrial environments where credential compromise can lead to significant operational disruptions.
The operational impact of this vulnerability extends beyond simple credential theft, as it creates opportunities for attackers to escalate privileges and gain deeper access to industrial control systems. The exposure of user credentials in xml format provides attackers with the means to impersonate legitimate users and potentially access restricted system functions, configuration settings, or operational data. This vulnerability particularly affects the availability, integrity, and confidentiality of the industrial control environment, as compromised credentials can be used to manipulate system operations, alter critical parameters, or disrupt normal operational procedures. The impact is amplified in environments where the BCU serves as a critical component of process control systems, where credential compromise could lead to safety hazards or operational failures. Organizations implementing the SaTECH BCU should consider this vulnerability as a potential entry point for advanced persistent threats that could target critical infrastructure assets.
Mitigation strategies for CVE-2025-2860 should focus on immediate path hardening and access control reinforcement, including implementing proper file access controls that prevent unauthorized access to credential files regardless of user privileges. Organizations must ensure that xml credential files are stored in protected directories with appropriate permissions, and that path traversal vulnerabilities are eliminated through proper input validation and access control enforcement. The firmware update from SaTECH should be prioritized to address the root cause of the vulnerability, and network segmentation should be implemented to isolate critical control systems from general network access. Additionally, organizations should conduct comprehensive credential audits and implement strong authentication mechanisms including multi-factor authentication to reduce the impact of credential exposure. Security monitoring should be enhanced to detect unauthorized access attempts to credential files, and regular penetration testing should be performed to identify similar vulnerabilities in industrial control system components. The vulnerability highlights the importance of secure coding practices in industrial environments and demonstrates the need for robust security controls in critical infrastructure systems.