CVE-2025-69212 is an OS Command Injection vulnerability classified under CWE-78, found in OpenSTAManager, an open source software used for technical assistance and invoicing management. The vulnerability affects versions 2.9.8 and earlier and resides in the P7M (signed XML) file decoding functionality. Specifically, the software improperly neutralizes special elements in filenames within ZIP archives uploaded by authenticated users. An attacker with valid credentials can craft a ZIP file containing a .p7m file with a malicious filename designed to execute arbitrary system commands on the underlying server. This occurs because the filename is passed to an OS command without adequate sanitization or escaping, allowing injection of shell commands. The vulnerability is remotely exploitable over the network without user interaction and requires only low privileges (authenticated user). The CVSS 4.0 base score of 9.4 reflects the critical nature of the flaw, with high impact on confidentiality, integrity, and availability, and high scope and exploitability. No patches were linked at the time of publication, and no known exploits have been reported in the wild, but the risk is significant due to the ease of exploitation and potential damage. The vulnerability could lead to full system compromise, data theft, or disruption of invoicing and technical assistance services.

For European organizations, this vulnerability poses a severe risk to business continuity, data confidentiality, and system integrity. OpenSTAManager is used primarily by small and medium enterprises (SMEs) for managing technical assistance and invoicing, making it a critical component of operational workflows. Exploitation could allow attackers to execute arbitrary commands, potentially leading to data breaches involving sensitive customer and financial information, unauthorized system control, ransomware deployment, or service outages. Given the interconnected nature of European business ecosystems and regulatory requirements such as GDPR, a compromise could result in significant legal and financial penalties. The vulnerability’s exploitation could also disrupt supply chains and customer support operations, especially in sectors relying heavily on managed services. The lack of known exploits currently provides a window for mitigation, but the critical severity demands urgent attention.

European organizations should immediately implement the following mitigations: 1) Restrict upload permissions to trusted users only and enforce strict authentication controls. 2) Implement rigorous input validation and sanitization on all uploaded filenames, especially within ZIP archives and P7M files, to neutralize special characters and command injection vectors. 3) Monitor and log file upload activities for suspicious patterns or anomalies. 4) Isolate OpenSTAManager instances in segmented network zones with limited access to critical infrastructure. 5) Apply principle of least privilege to the OpenSTAManager service account to minimize potential damage from exploitation. 6) Regularly check for and apply vendor patches or updates once released. 7) Conduct security awareness training for administrators and users about the risks of uploading untrusted files. 8) Employ runtime application self-protection (RASP) or web application firewalls (WAF) with custom rules to detect and block command injection attempts. 9) Prepare incident response plans specifically addressing potential exploitation of this vulnerability.