Vulnerabilities CVE-2021-47708

CVE-2021-47708

Critical

Open

TLP:CLEAR

COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass

NVD CVE.org

Critical Infrastructure

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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 'id' parameter in 'loginstart.asp'. Attackers can exploit this by sending a POST request with malicious 'id' values to manipulate database queries and gain unauthorized access.

Details

CVSS Score: 9.3
EPSS Score ⓘ: 0.53%

42.2th percentile
CVSS 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
Confidence: 90%
Published: Dec 9, 2025
Last Modified: Jul 15, 2026

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