Velneo vClient on its 28.1.3 version, could allow an attacker with knowledge of the victims’s username and hashed password to spoof the victim’s id against the server.
doc.velneo.com/v/32/velneo-vserver/funcionalidades/protocolo-vatps
doc.velneo.com/v/32/velneo/funcionalidades-comunes/conexion-con-velneo-vserver
doc.velneo.com/v/32/velneo/notas-de-la-version
doc.velneo.com/v/32/velneo/notas-de-la-version
velneo.es/mivelneo/listado-de-cambios-velneo-32/
www.incibe.es/en/incibe-cert/notices/aviso/velneo-vclient-improper-authentication-0
www.velneo.com/blog/disponible-la-nueva-version-velneo-32