An issue was discovered in Advantech WebAccess Version 8.1. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access pages unrestricted (AUTHENTICATION BYPASS).
Ha sido descubierto un problema en Advantech WebAccess Versión 8.1. Accediendo a un localizador de recursos uniforme (URL) específico en el servidor web, un usuario malicioso es capaz de acceder a páginas sin restricciones (ELUSIÓN DE AUTENTICACIÓN).
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Advantech WebAccess. Authentication is required to exploit this vulnerability, but can be easily bypassed.
The specific flaw exists within updateTemplate.aspx. The vulnerability is caused by lack of input validation before using a remotely supplied string to construct SQL queries. An attacker can use this vulnerability to disclose passwords of administrative accounts used by Advantech WebAccess.
