CVE-2021-20709

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/04/2021

Last modified:

05/05/2021

Description

Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

Impact

Vector 3.x

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

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.20

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:nec:aterm_wf1200cr_firmware::::::::		1.3.2 (including)
cpe:2.3:h:nec:aterm_wf1200cr:-:::::::*
cpe:2.3:o:nec:aterm_wg1200cr_firmware::::::::		1.3.3 (including)
cpe:2.3:h:nec:aterm_wg1200cr:-:::::::*
cpe:2.3:o:nec:aterm_wg2600hs_firmware::::::::		1.5.1 (including)
cpe:2.3:h:nec:aterm_wg2600hs:-:::::::*

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

CVE-2021-20709

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools