{"id":"CVE-2021-47706","aliases":["EUVD-2021-34733","GHSA-wqx6-ghvg-724j"],"status":"published","title":"COMMAX Biometric Access Control System Authentication Bypass","description":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive information and circumvent physical controls in smart homes and buildings by exploiting cookie poisoning. Attackers can forge cookies to bypass authentication and disclose sensitive information.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00454,"percentile":0.39709,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-565"],"published":"2025-12-09T20:37:44Z","modified":"2026-06-17T04:18:19Z","products":[{"vendor":"commax co., ltd.","product":"commax biometric access control system"}],"references":[{"url":"https://www.exploit-db.com/exploits/50206","tags":["exploit"]},{"url":"https://www.commax.com","tags":["product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5661.php","tags":["third-party-advisory"]},{"url":"https://www.commax.com/product/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/commax-biometric-access-control-system-authentication-bypass","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47706"},{"url":"https://www.commax.com/product"},{"url":"https://github.com/advisories/GHSA-wqx6-ghvg-724j"}],"sources":{"cve":[{"id":"CVE-2021-47706","title":"COMMAX Biometric Access Control System Authentication Bypass","description":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive information and circumvent physical controls in smart homes and buildings by exploiting cookie poisoning. Attackers can forge cookies to bypass authentication and disclose sensitive information.","status":"published","published":"2025-12-09T20:37:44.232Z","modified":"2026-04-07T14:05:34.15Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-34733","description":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive information and circumvent physical controls in smart homes and buildings by exploiting cookie poisoning. Attackers can forge cookies to bypass authentication and disclose sensitive information.","status":"published","published":"2025-12-09T20:37:44Z","modified":"2026-04-07T14:05:34Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:13.718727Z"}],"ghsa":[{"id":"GHSA-wqx6-ghvg-724j","title":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that...","description":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive information and circumvent physical controls in smart homes and buildings by exploiting cookie poisoning. Attackers can forge cookies to bypass authentication and disclose sensitive information.","status":"published","published":"2025-12-09T21:31:48Z","modified":"2025-12-09T21:31:55Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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":"high"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T15:05:07.56832Z"}],"nvd":[{"id":"CVE-2021-47706","description":"COMMAX Biometric Access Control System 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive information and circumvent physical controls in smart homes and buildings by exploiting cookie poisoning. Attackers can forge cookies to bypass authentication and disclose sensitive information.","status":"published","published":"2025-12-09T21:15:49.507Z","modified":"2026-06-17T04:18:19.847Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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":"high","assessor":"secondary"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}