{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-03T16:06:14.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642"}, {"tags": ["x_refsource_MISC"], "url": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-31642", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642", "refsource": "MISC", "url": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642"}, {"name": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/", "refsource": "MISC", "url": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/"}, {"name": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html", "refsource": "MISC", "url": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html"}, {"name": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:03:33.642Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-31642", "datePublished": "2021-06-01T14:13:54.000Z", "dateReserved": "2021-04-23T00:00:00.000Z", "dateUpdated": "2024-08-03T23:03:33.642Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_s2_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "E605EBAB-D5F9-43A8-8096-DA62A4295A92", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_s2:-:*:*:*:*:*:*:*", "matchCriteriaId": "BDAC8B2A-8AB4-4EAB-84D5-526F89C8D9B6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_d1_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A4B14981-FCEA-45FC-896F-7677BEB7A8FB", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_d1:-:*:*:*:*:*:*:*", "matchCriteriaId": "59C613EE-4884-4CD6-B4BA-AF41FD26DB35", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_d2_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "10BBB47A-E6EF-4EE5-A74C-F7766004880B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_d2:-:*:*:*:*:*:*:*", "matchCriteriaId": "7123F403-1044-4ECC-A6F8-AB8E0173432B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_d4_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D6A0946C-6A4F-4A9E-9D7C-702A74236C89", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_d4:-:*:*:*:*:*:*:*", "matchCriteriaId": "0F4E3539-D33A-48E1-8B09-4D010BEAC9C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_s3v3_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "DF097E2D-8F46-4EE0-9C0E-449EDC5FE373", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_s3v3:-:*:*:*:*:*:*:*", "matchCriteriaId": "231A210D-7A72-4E54-BF7D-2594F2735D68", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_d2_n300_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "52481D14-6CDD-4D28-ACEB-83EC3FAC7F4D", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_d2_n300:-:*:*:*:*:*:*:*", "matchCriteriaId": "24D35D62-9633-410F-9D2D-FD61CD5A820B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:semac_s1_osdp_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "B982FDE3-0F08-46F8-8A50-BB5650AA5076", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:semac_s1_osdp:-:*:*:*:*:*:*:*", "matchCriteriaId": "965D6B8E-A7E7-40B3-A4C3-4942E61491A5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:bf-631_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D6C27421-EA1F-46FB-AFA7-7A1E75AC471C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:bf-631:-:*:*:*:*:*:*:*", "matchCriteriaId": "F5451C0F-FA08-467D-86AC-034A2AAA8468", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:bf-630_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "B3CD54F1-95A0-4014-8466-E29B5F819B7E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:bf-630:-:*:*:*:*:*:*:*", "matchCriteriaId": "49BA7B09-A81C-4B8C-A50C-9F58B53903A2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:webpass_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "5D66FE82-1351-4532-811F-ED7C98B0FFA3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:webpass:-:*:*:*:*:*:*:*", "matchCriteriaId": "3EE455A8-8F52-4F08-9ED6-D4A081CFC185", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chiyu-tech:biosense_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9CDE9F3B-3952-4715-B8B0-F1A971B06254", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chiyu-tech:biosense:-:*:*:*:*:*:*:*", "matchCriteriaId": "7C3D40CA-A163-4B11-A070-04FB492194E1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device."}, {"lang": "es", "value": "Se presenta una condici\u00f3n de denegaci\u00f3n de servicio tras un desbordamiento de enteros en varios dispositivos IoT de CHIYU Technology, incluyendo BIOSENSE, Webpass, y BF-630, BF-631, y SEMAC. La vulnerabilidad puede ser explorada mediante el env\u00edo de un entero inesperado (superiores a 32 bits) en el par\u00e1metro page que bloquear\u00e1 el portal web y har\u00e1 que no est\u00e9 disponible hasta un reinicio del dispositivo"}], "id": "CVE-2021-31642", "lastModified": "2024-11-21T06:06:03.857", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-01T15:15:07.717", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.chiyu-tech.com/msg/message-Firmware-update-87.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}