A path traversal vulnerability in NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series devices with Next-Generation Routing Engine (NG-RE) allows a local authenticated user to read sensitive system files. This issue only affects NFX150 Series and QFX10K Series, EX9200 Series, MX Series and PTX Series with Next-Generation Routing Engine (NG-RE) which uses vmhost. This issue affects Juniper Networks Junos OS on NFX150 Series and QFX10K, EX9200 Series, MX Series and PTX Series with NG-RE and vmhost: 15.1F versions prior to 15.1F6-S12 16.1 versions starting from 16.1R6 and later releases, including the Service Releases, prior to 16.1R6-S6, 16.1R7-S3; 17.1 versions prior to 17.1R3; 17.2 versions starting from 17.2R1-S3, 17.2R3 and later releases, including the Service Releas
The following software releases have been updated to resolve these specific issues: 15.1F6-S12, 16.1R6-S6, 16.1R7-S3, 17.1R3, 17.2R3-S1, 17.3R3-S3, 17.4R1-S6, 17.4R2-S2, 17.4R3, 18.1R2-S4, 18.1R3-S3, 18.2R2, 18.2R3, 18.2X75-D40, 18.3R1-S2, 18.3R2, 18.4R1-S1, 18.4R2, 19.1R1, and all subsequent releases.
There are no known workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=15.1F<15.1F6-S12 | 15.1F6-S12 | advisory ↗ |
| Juniper Networks Junos OS | >=16.1R6<16.1* | 16.1* | advisory ↗ |
| Juniper Networks Junos OS | >=17.1<17.1R3 | 17.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2R1-S3, 17.2R3<17.2* | 17.2* | advisory ↗ |
| Juniper Networks Junos OS | >=17.3R1-S1, 17.3R2<17.3* | 17.3* | advisory ↗ |
| Juniper Networks Junos OS | >=17.4R1<17.4* | 17.4* | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R2-S4, 18.1R3-S3 | 18.1R2-S4, 18.1R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R2 | 18.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D40 | 18.2X75-D40 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R1-S2, 18.3R2 | 18.3R1-S2, 18.3R2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S1, 18.4R2 | 18.4R1-S1, 18.4R2 | advisory ↗ |