{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47708","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2025-12-05T19:10:29.046Z","datePublished":"2025-12-09T20:39:33.372Z","dateUpdated":"2026-04-07T14:05:36.353Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Smart Home IoT Control System","vendor":"COMMAX Co., Ltd.","versions":[{"status":"affected","version":"CDP-1020n"},{"status":"affected","version":"481 System"}]}],"credits":[{"lang":"en","type":"finder","value":"LiquidWorm as Gjoko Krstic of Zero Science Lab"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>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.</p>"}],"value":"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."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-89","description":"CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-04-07T14:05:36.353Z"},"references":[{"name":"ExploitDB-50207","tags":["exploit"],"url":"https://www.exploit-db.com/exploits/50207"},{"name":"Official Product Homepage","tags":["product"],"url":"https://www.commax.com"},{"name":"Zero Science Lab Disclosure (ZSL-2021-5662)","tags":["third-party-advisory"],"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.php"},{"name":"Zero Science GitHub Repository","tags":["product"],"url":"https://github.com/zeroscience"},{"name":"VulnCheck Advisory: COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/commax-smart-home-iot-control-system-sql-injection-authentication-bypass"}],"source":{"discovery":"UNKNOWN"},"title":"COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass","x_generator":{"engine":"vulncheck"},"datePublic":"2021-08-16T00:00:00.000Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-10T15:42:13.247736Z","id":"CVE-2021-47708","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-10T15:42:30.747Z"}}]}}