Unspecified vulnerability in Juniper Junos before 11.4R10-S1 before 11.4R11 12.1X44 before 12.1X44-D26 12.1X44 before 12.1X44-D30 12.1X45 before 12.1X45-D20 and 12.1X46 before 12.1X46-D10 when Dynamic IPsec VPN is configured allows remote attackers to cause a denial of service (new Dynamic VPN connection failures and CPU and disk consumption) via unknown vectors.