VendorciscoProductsecure access control server, vpn 3000 concentrator series software, vpn 3002 hardware clientDiscoveredOct 4, 2002UpdatedApr 16, 2026
Cisco VPN 3000 Concentrator before 2.5.2(F), with encryption enabled, allows remote attackers to cause a denial of service (reload) via a Windows-based PPTP client with the "No Encryption" option set.