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

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CVE-2021-20739

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
07/07/2021
Last modified:
10/07/2021

Description

WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions allows an unauthenticated network-adjacent attacker to execute an arbitrary OS command via unspecified vectors.

Impact

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

Attack Vector (AV): Adjacent
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
8.80
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:elecom:wrc-300febk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrc-300febk:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-f300nf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrc-f300nf:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrc-733febk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrc-733febk:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrh-300rd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrh-300rd:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrh-300bk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrh-300bk:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrh-300sv_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrh-300sv:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrh-300wh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrh-300wh:-:*:*:*:*:*:*:*
cpe:2.3:o:elecom:wrh-h300wh_firmware:*:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools