A path traversal vulnerability in the Juniper Networks Junos OS device may allow an authenticated J-web user to read files with 'world' readable permission and delete files with 'world' writeable permission. This issue does not affect system files that can be accessed only by root user. This issue affects Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 14.1X53 versions prior to 14.1X53-D51; 15.1F6 versions prior to 15.1F6-S13; 15.1 versions prior to 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110 Series; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R1-S9
The following software releases have been updated to resolve this specific issue: 12.3R12-S13, 12.3X48-D85, 14.1X53-D51, 15.1F6-S13, 15.1R7-S5, 15.1X49-D180, 15.1X53-D238, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S9, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2-S3, 18.3R3, 18.4R2, 19.1R1-S4, 19.1R2, 19.2R1, and all subsequent releases.
Limit access to the J-Web interface to only trusted users to reduce risks of exploitation of this vulnerability.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=12.3<12.3R12-S13 | 12.3R12-S13 | advisory ↗ |
| Juniper Networks Junos OS | >=12.3X48<12.3X48-D85 | 12.3X48-D85 | 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-D180 | 15.1X49-D180 | 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<17.1R3-S1 | 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-S9, 17.4R3 | 17.4R2-S9, 17.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S8 | 18.1R3-S8 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R3 | 18.2R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R2-S3, 18.3R3 | 18.3R2-S3, 18.3R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R2 | 18.4R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S4, 19.1R2 | 19.1R1-S4, 19.1R2 | advisory ↗ |