VAR-200412-0207

Vulnerability from variot - Updated: 2025-04-03 22:21

Cisco Secure Access Control Server (ACS) 3.2, when configured as a Light Extensible Authentication Protocol (LEAP) RADIUS proxy, allows remote attackers to cause a denial of service (device crash) via certain LEAP authentication requests. Cisco Secure Access Control Server and Secure Access Control Server Solution Engine are reported prone to multiple vulnerabilities. These vulnerabilities may allow remote attackers to cause denial of service conditions and gain unauthorized access to AAA clients and ACS administration interface. The following specific vulnerabilities were reported by the vendor: A remote attacker can trigger a denial of service condition in ACS Windows and ACS Solution Engine by establishing a large amount of TCP connections to the CSAdmin application. Cisco Secure ACS is reported prone to an authentication bypass vulnerability when configured to communicate to a Novell Directory Services (NDS) database for authenticating NDS users. Another vulnerability affecting ACS may allow remote attackers to gain unauthenticated access to the administration interface of the service. Among them, ACS supports NOVELL directory service. However, wrong passwords and incorrect usernames will be rejected for authentication

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