CVE-2021-47708

Severity CVSS v4.0:

CRITICAL

Type:

CWE-89 SQL Injection

Publication date:

09/12/2025

Last modified:

09/12/2025

Description

COMMAX Smart Home System CDP-1020n contains an SQL injection vulnerability that allows attackers to bypass authentication by injecting arbitrary SQL code through the &#39;id&#39; parameter in &#39;loginstart.asp&#39;. Attackers can exploit this by sending a POST request with malicious &#39;id&#39; values to manipulate database queries and gain unauthorized access.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 9.30 CRITICAL
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

9.30

Severity 4.0

CRITICAL

CVE-2021-47708

Description

Impact

References to Advisories, Solutions, and Tools