CVE-2020-1618
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS: EX and QFX Series: Console port authentication bypass vulnerability
On Juniper Networks EX and QFX Series, an authentication bypass vulnerability may allow a user connected to the console port to login as root without any password. This issue might only occur in certain scenarios: • At the first reboot after performing device factory reset using the command “request system zeroize”; or • A temporary moment during the first reboot after the software upgrade when the device configured in Virtual Chassis mode. This issue affects Juniper Networks Junos OS on EX and QFX Series: 14.1X53 versions prior to 14.1X53-D53; 15.1 versions prior to 15.1R7-S4; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S4; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R2; 18.3 versions prior to 18.3R1-S7, 18.3R2. This issue does not affect Juniper Networks Junos OS 12.3.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- EX and QFX Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 12.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 14.1X53 | affected | custom | 14.1X53-D53 | Unavailable | None listed |
| 15.1 | affected | custom | 15.1R7-S4 | Unavailable | None listed |
| 15.1X53 | affected | custom | 15.1X53-D593 | Unavailable | None listed |
| 16.1 | affected | custom | 16.1R7-S4 | Unavailable | None listed |
| 17.1 | affected | custom | 17.1R2-S11, 17.1R3-S1 | Unavailable | None listed |
| 17.2 | affected | custom | 17.2R3-S3 | Unavailable | None listed |
| 17.3 | affected | custom | 17.3R2-S5, 17.3R3-S6 | Unavailable | None listed |
| 17.4 | affected | custom | 17.4R2-S9, 17.4R3 | Unavailable | None listed |
| 18.1 | affected | custom | 18.1R3-S8 | Unavailable | None listed |
| 18.2 | affected | custom | 18.2R2 | Unavailable | None listed |
| 18.3 | affected | custom | 18.3R1-S7, 18.3R2 | Unavailable | None listed |