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

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CVE-2020-29378

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
29/11/2020
Last modified:
21/07/2021

Description

An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. It is possible to elevate the privilege of a CLI user (to full administrative access) by using the password !j@l#y$z%x6x7q8c9z) for the enable command.

Impact

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

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:vsolcn:v1600d_firmware:2.03.57:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600d_firmware:2.03.69:*:*:*:*:*:*:*
cpe:2.3:h:vsolcn:v1600d:-:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:*
cpe:2.3:h:vsolcn:v1600d4l:-:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:*
cpe:2.3:h:vsolcn:v1600d-mini:-:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600g1_firmware:1.9.7:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600g1_firmware:2.0.7:*:*:*:*:*:*:*
cpe:2.3:h:vsolcn:v1600g1:-:*:*:*:*:*:*:*
cpe:2.3:o:vsolcn:v1600g2_firmware:1.1.4:*:*:*:*:*:*:*
cpe:2.3:h:vsolcn:v1600g2:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools