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 data also reveals a clear uptick in attacks involving CVE-2025-6205 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

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