The factory configuration for vMX installations, as shipped, includes default credentials for the root account. Without proper modification of these default credentials by the administrator, an attacker could exploit these credentials and access the vMX instance without authorization. This issue affects Juniper Networks Junos OS: 17.1 versions prior to 17.1R2-S11, 17.1R3-S2 on vMX; 17.2 versions prior to 17.2R3-S3 on vMX; 17.3 versions prior to 17.3R2-S5, 17.3R3-S7 on vMX; 17.4 versions prior to 17.4R2-S9, 17.4R3 on vMX; 18.1 versions prior to 18.1R3-S9 on vMX; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3 on vMX; 18.2X75 versions prior to 18.2X75-D420, 18.2X75-D60 on vMX; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3-S1 on vMX; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3 on vM
The following software releases have been updated to resolve this specific issue: 17.1R2-S11, 17.1R3-S2, 17.2R3-S3, 17.3R2-S5, 17.3R3-S7, 17.4R2-S9, 17.4R3, 18.1R3-S9, 18.2R2-S7, 18.2R3-S3, 18.2X75-D420, 18.2X75-D60, 18.3R1-S7, 18.3R2-S3, 18.3R3-S1, 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2, 19.1R3, 19.2R1-S3, 19.2R2, 19.3R1-S1, 19.3R2, 19.4R1, and all subsequent releases.
Security best practices recommend that the root password be configured on any newly installed vMX instance prior to deployment.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=17.1<17.1R2-S11, 17.1R3-S2 | 17.1R2-S11, 17.1R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2<17.2R3-S3 | 17.2R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R2-S5, 17.3R3-S7 | 17.3R2-S5, 17.3R3-S7 | 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-S9 | 18.1R3-S9 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R2-S7, 18.2R3-S3 | 18.2R2-S7, 18.2R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D420, 18.2X75-D60 | 18.2X75-D420, 18.2X75-D60 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R1-S7, 18.3R2-S3, 18.3R3-S1 | 18.3R1-S7, 18.3R2-S3, 18.3R3-S1 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S5, 18.4R2-S3, 18.4R3 | 18.4R1-S5, 18.4R2-S3, 18.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S4, 19.1R2, 19.1R3 | 19.1R1-S4, 19.1R2, 19.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S3, 19.2R2 | 19.2R1-S3, 19.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.3<19.3R1-S1, 19.3R2 | 19.3R1-S1, 19.3R2 | advisory ↗ |