J-Web in Juniper Junos OS before 12.1X46-D45 12.1X46-D50 12.1X47 before 12.1X47-D35 12.3 before 12.3R12 12.3X48 before 12.3X48-D25 13.3 before 13.3R10 13.3R9 before 13.3R9-S1 14.1 before 14.1R7 14.1X53 before 14.1X53-D35 14.2 before 14.2R6 15.1 before 15.1A2 or 15.1F4 15.1X49 before 15.1X49-D30 and 15.1R before 15.1R3 might allow remote attackers to obtain sensitive information and consequently gain administrative privileges via unspecified vectors.