CVE-2021-47708— COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass
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I. Basic Information for CVE-2021-47708
Vulnerability Information
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Vulnerability Title
COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
COMMAX Smart Home System SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
COMMAX Smart Home System是韩国COMMAX公司的一个智能家居系统。 COMMAX Smart Home System存在SQL注入漏洞，该漏洞源于loginstart.asp中id参数存在SQL注入问题，可能导致认证绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| COMMAX Co., Ltd. | Smart Home IoT Control System | CDP-1020n | - |
II. Public POCs for CVE-2021-47708
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.commax.comproduct
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.phpthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-47708
Same Patch Batch · COMMAX Co., Ltd. · 2025-12-09 · 7 CVEs total
| CVE-2021-47709 | COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS | |
| CVE-2021-47710 | COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure | |
| CVE-2021-47705 | CNC_Ctrl DllUnregisterServer Access Violation | |
| CVE-2021-47707 | COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure | |
| CVE-2021-47706 | COMMAX Biometric Access Control System Authentication Bypass | |
| CVE-2021-47719 | CNC_Ctrl DllUnregisterServer f5501 Access Violation |
IV. Related Vulnerabilities
Same vendor: COMMAX Co., Ltd.
- CVE-2021-47743
COMMAX Biometric Access Control System 1.0.0 Reflected XSS v - CVE-2021-47719
CNC_Ctrl DllUnregisterServer f5501 Access Violation - CVE-2021-47710
COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credent - CVE-2021-47709
COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write - CVE-2021-47707
COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosur
Same weakness: CWE-89
- CVE-2021-47941
WordPress Plugin Survey & Poll 1.5.7.3 SQL Injection via sss - CVE-2021-47930
Balbooa Joomla Forms Builder 2.0.6 SQL Injection Unauthentic - CVE-2021-47928
Opencart TMD Vendor System 3.x Blind SQL Injection via produ - CVE-2026-8231
CodeAstro Online Catering Ordering System deleteorder.php sq - CVE-2025-14179
SQL injection in pdo_firebird via NUL bytes in quoted string
V. Comments for CVE-2021-47708
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