CVE-2025-5086 is a critical security vulnerability classified under CWE-502, which involves the deserialization of untrusted data in Dassault Systèmes DELMIA Apriso software. This vulnerability affects all major releases from 2020 Golden through 2025 Golden. Deserialization vulnerabilities occur when software deserializes data from untrusted sources without proper validation or sanitization, allowing attackers to craft malicious serialized objects that, when deserialized, can execute arbitrary code on the target system. In this case, the vulnerability enables remote code execution (RCE) without requiring any authentication or user interaction, making it highly exploitable over the network. The CVSS v3.1 score of 9.0 reflects the critical nature of this flaw, with attack vector being network-based, high impact on confidentiality, integrity, and availability, and no privileges or user interaction needed. DELMIA Apriso is a manufacturing operations management platform widely used in industrial environments for production and supply chain management. Exploitation could lead to full system compromise, data theft, sabotage of manufacturing processes, or disruption of critical industrial operations. Although no public exploits have been reported yet, the severity and ease of exploitation necessitate urgent remediation. The lack of available patches at the time of disclosure requires organizations to implement interim mitigations such as network segmentation, strict input validation, and monitoring for suspicious deserialization activity until official fixes are released.

For European organizations, particularly those in manufacturing, automotive, aerospace, and industrial sectors that rely on DELMIA Apriso, this vulnerability poses a significant risk. Successful exploitation could result in unauthorized remote code execution, leading to data breaches, intellectual property theft, operational disruption, and potential safety hazards in industrial environments. The compromise of production management systems could halt manufacturing lines, cause financial losses, and damage reputations. Given the critical role of DELMIA Apriso in coordinating complex supply chains and production workflows, the impact extends beyond individual organizations to affect broader industrial ecosystems. Additionally, the vulnerability could be leveraged by nation-state actors or cybercriminals targeting strategic European industries, amplifying geopolitical risks. The absence of required authentication and user interaction lowers the barrier for attackers, increasing the likelihood of exploitation if mitigations are not promptly applied.

1. Monitor Dassault Systèmes communications closely and apply official security patches immediately upon release to remediate the vulnerability. 2. Until patches are available, implement strict network segmentation to isolate DELMIA Apriso servers from untrusted networks and limit exposure to potential attackers. 3. Employ application-layer firewalls or intrusion prevention systems (IPS) to detect and block suspicious deserialization payloads or anomalous traffic patterns targeting the affected services. 4. Conduct thorough input validation and sanitization on all data entering the DELMIA Apriso environment, especially serialized objects or data streams. 5. Enable detailed logging and continuous monitoring of DELMIA Apriso systems to detect early signs of exploitation attempts or unusual behavior. 6. Restrict access to DELMIA Apriso interfaces to trusted personnel and systems only, using strong authentication and network access controls. 7. Educate operational technology (OT) and IT teams about the risks of deserialization vulnerabilities and the importance of timely patching and monitoring. 8. Develop and test incident response plans specifically addressing potential RCE scenarios in manufacturing environments to minimize downtime and impact.