Insufficient Cross-Site Scripting (XSS) protection in J-Web may potentially allow a remote attacker to inject web script or HTML, hijack the target user's J-Web session and perform administrative actions on the Junos device as the targeted user. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90 on SRX Series; 14.1X53 versions prior to 14.1X53-D51 on EX and QFX Series; 15.1F6 versions prior to 15.1F6-S13; 15.1 versions prior to 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D592 on EX2300/EX3400 Series; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S1
The following software releases have been updated to resolve this specific issue: 12.3R12-S15, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1F6-S13,15.1R7-S5, 15.1X49-D181, 15.1X49-D190, 15.1X53-D238, 15.1X53-D592, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10,17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S6, 17.4R3, 18.1R3-S7,18.2R2-S5, 18.2R3, 18.3R1-S6, 18.3R2-S1, 18.3R3, 18.4R1-S5, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases.
Access the J-Web service from trusted hosts which may not be compromised by cross-site scripting attacks, for example, deploying jump hosts with no internet access. Alternatively, disable J-Web.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=12.3<12.3R12-S15 | 12.3R12-S15 | advisory ↗ |
| Juniper Networks Junos OS | >=12.3X48<12.3X48-D86, 12.3X48-D90 | 12.3X48-D86, 12.3X48-D90 | advisory ↗ |
| Juniper Networks Junos OS | >=14.1X53<14.1X53-D51 | 14.1X53-D51 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1F6<15.1F6-S13 | 15.1F6-S13 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1<15.1R7-S5 | 15.1R7-S5 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1X49<15.1X49-D181, 15.1X49-D190 | 15.1X49-D181, 15.1X49-D190 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1X53<15.1X53-D238 | 15.1X53-D238 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1X53<15.1X53-D592 | 15.1X53-D592 | advisory ↗ |
| Juniper Networks Junos OS | >=16.1<16.1R4-S13, 16.1R7-S5 | 16.1R4-S13, 16.1R7-S5 | advisory ↗ |
| Juniper Networks Junos OS | >=16.2<16.2R2-S10 | 16.2R2-S10 | advisory ↗ |
| Juniper Networks Junos OS | >=17.1<17.1R2-S11, 17.1R3-S1 | 17.1R2-S11, 17.1R3-S1 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2<17.2R1-S9, 17.2R3-S2 | 17.2R1-S9, 17.2R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R2-S5, 17.3R3-S5 | 17.3R2-S5, 17.3R3-S5 | advisory ↗ |
| Juniper Networks Junos OS | >=17.4<17.4R2-S6, 17.4R3 | 17.4R2-S6, 17.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S7 | 18.1R3-S7 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R2-S5, 18.2R3 | 18.2R2-S5, 18.2R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R1-S6, 18.3R2-S1, 18.3R3 | 18.3R1-S6, 18.3R2-S1, 18.3R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S5, 18.4R2 | 18.4R1-S5, 18.4R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S2, 19.1R2 | 19.1R1-S2, 19.1R2 | advisory ↗ |