Vulnerability · Published Nov 28, 2022 · Assigned by INCIBE
CVE-2021-45036Velneo vClient improper authentication
High 8.7
In plain English
A high-severity authentication bypass by spoofing in Velneo vClient from Velneo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Velneo | Velneo vClient | 28.1.3 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
References
- 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/notas-de-la-version#mejoras-de-seguridad-en-validacion-de-usuario-y-contrasena
- https://velneo.es/mivelneo/listado-de-cambios-velneo-32/
- 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-vserver/funcionalidades/protocolo-vatps
- https://doc.velneo.com/v/32/velneo/funcionalidades-comunes/conexion-con-velneo-vserver