Juniper Junos OS 9.1 through 11.4 before 11.4R11, 12.1 before R10, 12.1X44 before D40, 12.1X46 before D30, 12.1X47 before D11 and 12.147-D15, 12.1X48 before D41 and D62, 12.2 before R8, 12.2X50 before D70, 12.3 before R6, 13.1 before R4-S2, 13.1X49 before D49, 13.1X50 before 30, 13.2 before R4, 13.2X50 before D20, 13.2X51 before D25, 13.2X52 before D15, 13.3 before R2, and 14.1 before R1, when supporting 4-byte AS numbers and a BGP peer does not, allows remote attackers to cause a denial of service (memory corruption and RDP routing process crash and restart) via crafted transitive attributes in a BGP UPDATE.

The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA database, which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet information via a crafted LSA packet, a related issue to CVE-2013-0149.

jsdm/ajax/port.php in J-Web in Juniper Junos before 10.4R13, 11.4 before 11.4R7, 12.1 before 12.1R5, 12.2 before 12.2R3, and 12.3 before 12.3R1 allows remote authenticated users to execute arbitrary commands via the rsargs parameter in an exec action.