CVE-2020-1615
Junos OS: vMX: Default credentials supplied in vMX configuration
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 vMX; 19.1 versions prior to 19.1R1-S4, 19.1R2, 19.1R3 on vMX; 19.2 versions prior to 19.2R1-S3, 19.2R2 on vMX; 19.3 versions prior to 19.3R1-S1, 19.3R2 on vMX.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Junos OS: vMX: Default credentials supplied in vMX configuration
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 vMX; 19.1 versions prior to 19.1R1-S4, 19.1R2, 19.1R3 on vMX; 19.2 versions prior to 19.2R1-S3, 19.2R2 on vMX; 19.3 versions prior to 19.3R1-S1, 19.3R2 on vMX.
- Record
CVE-2020-1615- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2020-12483
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 vMX; 19.1 versions prior to 19.1R1-S4, 19.1R2, 19.1R3 on vMX; 19.2 versions prior to 19.2R1-S3, 19.2R2 on vMX; 19.3 versions prior to 19.3R1-S1, 19.3R2 on vMX.
- Record
EUVD-2020-12483- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f8jp-46hx-mw9r No score
The factory configuration for vMX installations, as shipped, includes default credentials for the...
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 vMX; 19.1 versions prior to 19.1R1-S4, 19.1R2, 19.1R3 on vMX; 19.2 versions prior to 19.2R1-S3, 19.2R2 on vMX; 19.3 versions prior to 19.3R1-S1, 19.3R2 on vMX.
- Record
GHSA-f8jp-46hx-mw9r- Updated
- 2026-11-02
NVD
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 vMX; 19.1 versions prior to 19.1R1-S4, 19.1R2, 19.1R3 on vMX; 19.2 versions prior to 19.2R1-S3, 19.2R2 on vMX; 19.3 versions prior to 19.3R1-S1, 19.3R2 on vMX.
- Record
CVE-2020-1615- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1615 is a critical vulnerability (CVSS 9.8) in Juniper Junos, published April 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. No source names a fixed version.