Description
A denial of service vulnerability in the telnetd service on Junos OS allows remote unauthenticated users to cause high CPU usage which may affect system performance. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D81 on SRX Series; 12.3 versions prior to 12.3R12-S11; 12.3X48 versions prior to 12.3X48-D80 on SRX Series; 15.1 versions prior to 15.1R7; 15.1X49 versions prior to 15.1X49-D150, 15.1X49-D160 on SRX Series; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400 Series; 15.1X53 versions prior to 15.1X53-D68 on QFX10K Series; 15.1X53 versions prior to 15.1X53-D235 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D495 on NFX Series; 16.1 versions prior to 16.1R4-S12, 16.1R6-S6, 16.1R7; 16.2 versions prior to 16.2R2-S7, 16.2R3; 17.1 versions prior to 17.1R2-S9, 17.1R3; 17.2 versions prior to 17.2R2-S6, 17.2R3; 17.2X75 versions prior to 17.2X75-D100; 17.3 versions prior to 17.3R2-S4, 17.3R3; 17.4 versions prior to 17.4R1-S5, 17.4R2; 18.2X75 versions prior to 18.2X75-D5.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Juniper Networks Junos OS
12.1X46 to < 12.1X46-D81affected12.3X48 to < 12.3X48-D80affected15.1X49 to < 15.1X49-D150, 15.1X49-D160affected
Juniper Networks Junos OS
12.3 to < 12.3R12-S11affected15.1 to < 15.1R7affected16.1 to < 16.1R4-S12, 16.1R6-S6, 16.1R7affected16.2 to < 16.2R2-S7, 16.2R3affected17.1 to < 17.1R2-S9, 17.1R3affected17.2 to < 17.2R2-S6, 17.2R3affected17.2X75 to < 17.2X75-D100affected17.3 to < 17.3R2-S4, 17.3R3affected17.4 to < 17.4R1-S5, 17.4R2affected18.2X75 to < 18.2X75-D5affected
Juniper Networks Junos OS
15.1X53 to < 15.1X53-D59affected
Juniper Networks Junos OS
15.1X53 to < 15.1X53-D68affected
Juniper Networks Junos OS
15.1X53 to < 15.1X53-D235affected
Juniper Networks Junos OS
15.1X53 to < 15.1X53-D495affected