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

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CVE-2020-16839

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
30/07/2021
Last modified:
12/07/2022

Description

On Crestron DM-NVX-DIR, DM-NVX-DIR80, and DM-NVX-ENT devices before the DM-XIO/1-0-3-802 patch, the password can be changed by sending an unauthenticated WebSocket request.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:crestron:dm-nvx-dir-80_firmware:1.0.1.788:*:*:*:*:*:*:*
cpe:2.3:h:crestron:dm-nvx-dir-80:-:*:*:*:*:*:*:*
cpe:2.3:o:crestron:dm-nvx-dir-160_firmware:1.0.1.788:*:*:*:*:*:*:*
cpe:2.3:h:crestron:dm-nvx-dir-160:-:*:*:*:*:*:*:*
cpe:2.3:o:crestron:dm-nvx-dir-ent_firmware:1.0.1.788:*:*:*:*:*:*:*
cpe:2.3:h:crestron:dm-nvx-dir-ent:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools