Description
An unauthenticated root login may allow upon reboot when a commit script is used. A commit script allows a device administrator to execute certain instructions during commit, which is configured under the [system scripts commit] stanza. Certain commit scripts that work without a problem during normal commit may cause unexpected behavior upon reboot which can leave the system in a state where root CLI login is allowed without a password due to the system reverting to a "safe mode" authentication state. Lastly, only logging in physically to the console port as root, with no password, will work. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71 on SRX; 12.3X48 versions prior to 12.3X48-D55 on SRX; 14.1 versions prior to 14.1R9; 14.1X53 versions prior to 14.1X53-D40 on QFX, EX; 14.2 versions prior to 14.2R7-S9, 14.2R8; 15.1 versions prior to 15.1F5-S7, 15.1F6-S8, 15.1R5-S6, 15.1R6; 15.1X49 versions prior to 15.1X49-D110 on SRX; 15.1X53 versions prior to 15.1X53-D232 on QFX5200/5110; 15.1X53 versions prior to 15.1X53-D49, 15.1X53-D470 on NFX; 15.1X53 versions prior to 15.1X53-D65 on QFX10K; 16.1 versions prior to 16.1R2. No other Juniper Networks products or platforms are affected by this issue.
Metrics
CVSS:3.0/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | >= 12.1X46, < 12.1X46-D71; >= 12.3X48, < 12.3X48-D55; >= 15.1X49, < 15.1X49-D110 |
| Juniper Networks | Junos OS | >= 14.1, < 14.1R9; >= 14.2, < 14.2R7-S9, 14.2R8; >= 15.1, < 15.1F5-S7, 15.1F6-S8, 15.1R5-S6, 15.1R6; >= 16.1, < 16.1R2 |
| Juniper Networks | Junos OS | >= 14.1X53, < 14.1X53-D40 |
| Juniper Networks | Junos OS | >= 15.1X53, < 15.1X53-D232 |
| Juniper Networks | Junos OS | >= 15.1X53, < 15.1X53-D49, 15.1X53-D470 |
| Juniper Networks | Junos OS | >= 15.1X53, < 15.1X53-D65 |
References
- http://www.securitytracker.com/id/1040186Third Party Advisory, VDB Entry
- https://kb.juniper.net/JSA10835Vendor Advisory
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
- http://www.securitytracker.com/id/1040186Third Party Advisory, VDB Entry
- https://kb.juniper.net/JSA10835Vendor Advisory
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
Timeline
- Published
- Jan 10, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified