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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-4242

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
30/11/2022
Last modified:
07/11/2023

Description

A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.

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

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:sapido:br270n_firmware:2.1.03:*:*:*:*:*:*:*
cpe:2.3:h:sapido:br270n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:brc76n_firmware:2.1.03:*:*:*:*:*:*:*
cpe:2.3:h:sapido:brc76n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:gr297n_firmware:2.1.3:*:*:*:*:*:*:*
cpe:2.3:h:sapido:gr297n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:rb-1732_firmware:2.0.43:*:*:*:*:*:*:*
cpe:2.3:h:sapido:rb-1732:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools