What’s Vulnerable › Vulnerabilities
CVE-2021-45036: Velneo vClient improper authentication
- Severity: high (CVSS 7.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-11-28 · updated 2026-06-17
- Weakness: CWE-290
Description
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.
Affected products
- Velneo vClient: 28.1.3
References
- https://doc.velneo.com/v/32/velneo-vserver/funcionalidades/protocolo-vatps
- https://doc.velneo.com/v/32/velneo/funcionalidades-comunes/conexion-con-velneo-vserver
- https://doc.velneo.com/v/32/velneo/notas-de-la-version#a-partir-de-esta-version-todos-los-servidores-arrancaran-con-protocolo-vatps
- https://doc.velneo.com/v/32/velneo/notas-de-la-version#mejoras-de-seguridad-en-validacion-de-usuario-y-contrasena
- https://velneo.es/mivelneo/listado-de-cambios-velneo-32/
- https://www.incibe.es/en/incibe-cert/notices/aviso/velneo-vclient-improper-authentication-0
- https://www.velneo.com/blog/disponible-la-nueva-version-velneo-32
- https://doc.velneo.com/v/32/velneo-vserver/funcionalidades/protocolo-vatps
- https://doc.velneo.com/v/32/velneo/funcionalidades-comunes/conexion-con-velneo-vserver
- https://doc.velneo.com/v/32/velneo/notas-de-la-version#a-partir-de-esta-version-todos-los-servidores-arrancaran-con-protocolo-vatps
- https://doc.velneo.com/v/32/velneo/notas-de-la-version#mejoras-de-seguridad-en-validacion-de-usuario-y-contrasena
- https://velneo.es/mivelneo/listado-de-cambios-velneo-32/
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