DELMIA Apriso - Authentication Bypass (CVE-2025-6205)

CVE-2025-6205 is a high-severity missing authorization vulnerability in DELMIA Apriso from Release 2020 through Release 2025, which could allow attackers to gain privileged access to the application without proper authorization. This flaw may enable threat actors to access sensitive data or perform unauthorized actions, posing significant risks to the integrity and confidentiality of affected systems.

CrowdSec has been tracking this vulnerability and its exploits since 15th of October 2025.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2025-6205 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec network telemetry also shows that exploitation of CVE-2025-6205 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attackers exploit this vulnerability by sending crafted SOAP requests to the /Apriso/MessageProcessor/FlexNetMessageProcessor.svc endpoint, bypassing authorization controls to gain privileged access.