{"id":"CVE-2021-47708","aliases":["EUVD-2021-34731","GHSA-5j3x-hf29-3qgv"],"status":"published","title":"COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass","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.","severity":{"version":"4.0","score":9.3,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00435,"percentile":0.38108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2025-12-09T20:39:33Z","modified":"2026-07-15T01:24:34Z","products":[{"vendor":"commax co., ltd.","product":"smart home iot control system"}],"references":[{"url":"https://www.exploit-db.com/exploits/50207","tags":["exploit"]},{"url":"https://www.commax.com","tags":["product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.php","tags":["third-party-advisory"]},{"url":"https://github.com/zeroscience","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/commax-smart-home-iot-control-system-sql-injection-authentication-bypass","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47708"},{"url":"https://github.com/advisories/GHSA-5j3x-hf29-3qgv"}],"sources":{"cve":[{"id":"CVE-2021-47708","title":"COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass","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.","status":"published","published":"2025-12-09T20:39:33.372Z","modified":"2026-07-15T01:24:34.159Z","cvss":[{"version":"4.0","score":9.3,"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","level":"critical","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-34731","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.","status":"published","published":"2025-12-09T20:39:33Z","modified":"2026-07-15T01:24:34Z","cvss":[{"version":"4.0","score":9.3,"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","level":"critical"}],"updated_at":"2026-11-02T18:19:54.255702Z"}],"ghsa":[{"id":"GHSA-5j3x-hf29-3qgv","title":"COMMAX Smart Home System CDP-1020n contains an SQL injection vulnerability that allows attackers...","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.","status":"published","published":"2025-12-09T21:31:48Z","modified":"2025-12-09T21:31:55Z","cvss":[{"version":"4.0","score":9.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:05:07.56832Z"}],"nvd":[{"id":"CVE-2021-47708","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.","status":"published","published":"2025-12-09T21:15:49.83Z","modified":"2026-06-17T04:18:20.063Z","cvss":[{"version":"4.0","score":9.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}