CVE-2025-9065 in ThinManager
Summary
by MITRE • 09/09/2025
A server-side request forgery security issue exists within Rockwell Automation ThinManager® software due to the lack of input sanitization. Authenticated attackers can exploit this vulnerability by specifying external SMB paths, exposing the ThinServer® service account NTLM hash.
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Analysis
by VulDB Data Team • 10/21/2025
This vulnerability represents a critical server-side request forgery flaw in Rockwell Automation ThinManager® software that directly undermines the security posture of industrial control systems. The vulnerability stems from inadequate input validation mechanisms within the application's handling of SMB (Server Message Block) paths, creating an attack vector that allows authenticated adversaries to manipulate the software's behavior. The flaw specifically affects the ThinServer® service account, which operates with elevated privileges within the industrial environment, making the potential impact significantly more severe than typical application vulnerabilities.
The technical implementation of this vulnerability exploits the absence of proper input sanitization when processing external SMB paths. Attackers can construct malicious requests that force the ThinManager® application to establish connections to external SMB servers, thereby enabling them to capture the NTLM hash of the ThinServer® service account. This hash extraction represents a fundamental compromise since NTLM hashes can be used for credential relay attacks, lateral movement within the network, and potentially full system compromise. The vulnerability demonstrates poor adherence to secure coding practices and lacks proper validation of user-supplied input before it is processed by the application's SMB handling mechanisms.
The operational impact of this vulnerability extends beyond immediate credential compromise to encompass broader industrial control system security risks. Industrial environments often operate with minimal network segmentation and rely heavily on service account credentials for system operations, making the exposure of ThinServer® service account hashes particularly dangerous. Once an attacker obtains the hash, they can leverage it for privilege escalation attacks, access to additional network resources, and potentially disrupt critical manufacturing processes. The vulnerability also enables techniques aligned with the attack pattern described in the attack mitigation framework, where adversaries use credential theft to maintain persistence within industrial networks. This represents a significant concern for operational technology environments where system availability and integrity are paramount.
Mitigation strategies should focus on implementing proper input validation and sanitization measures within the ThinManager® application, specifically around SMB path handling functionality. Organizations should immediately restrict network access to ThinManager® services and implement network segmentation to limit the potential impact of credential exposure. The service account should be configured with minimal required privileges and appropriate access controls to limit the damage from potential credential compromise. Additionally, implementing network monitoring solutions that can detect SMB traffic patterns and credential relay attempts will provide early warning capabilities. Organizations should also consider applying vendor-provided patches or workarounds as soon as they become available, while maintaining strict access controls and monitoring for any suspicious activity related to the ThinServer® service account. This vulnerability highlights the importance of adhering to the principle of least privilege and proper input validation as outlined in various security frameworks including those referenced in the CWE database and MITRE ATT&CK framework.