Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-1618

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
08/04/2020
Last modified:
22/11/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
6.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:juniper:junos:14.1x53:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d16:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d26:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d27:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d40:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d42:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d43:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d44:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d45:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d48:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools