CVE-2021-44164

{"containers": {"cna": {"affected": [{"product": "ai chatbot system", "vendor": "Chain Sea Information Integration Co., Ltd", "versions": [{"status": "unknown", "version": "0"}]}], "datePublic": "2021-12-17T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Chain Sea ai chatbot system\u2019s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-12-20T03:10:24.000Z", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html"}], "solutions": [{"lang": "en", "value": "Contact tech support from Chain Sea Information Integration Co., Ltd"}], "source": {"advisory": "TVN-202112006", "discovery": "EXTERNAL"}, "title": "Chain Sea Information Integration Co., Ltd ai chatbot system - Arbitrary File Upload", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2021-12-17T08:27:00.000Z", "ID": "CVE-2021-44164", "STATE": "PUBLIC", "TITLE": "Chain Sea Information Integration Co., Ltd ai chatbot system - Arbitrary File Upload"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ai chatbot system", "version": {"version_data": [{"version_affected": "?", "version_value": "0"}]}}]}, "vendor_name": "Chain Sea Information Integration Co., Ltd"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Chain Sea ai chatbot system\u2019s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}]}, "references": {"reference_data": [{"name": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html", "refsource": "MISC", "url": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html"}]}, "solution": [{"lang": "en", "value": "Contact tech support from Chain Sea Information Integration Co., Ltd"}], "source": {"advisory": "TVN-202112006", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:17:24.570Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2021-44164", "datePublished": "2021-12-20T03:10:24.327Z", "dateReserved": "2021-11-23T00:00:00.000Z", "dateUpdated": "2024-09-16T18:59:15.351Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "ai chatbot system", "vendor": "Chain Sea Information Integration Co., Ltd", "versions": [{"status": "unknown", "version": "0"}]}], "source": "twcert@cert.org.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:*", "matchCriteriaId": "50A93B76-712F-4EF7-8E4B-22601324FE89", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Chain Sea ai chatbot system\u2019s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service."}, {"lang": "es", "value": "La funci\u00f3n file upload de Chain Sea ai chatbot system, presenta un filtrado insuficiente de los caracteres especiales en las URL, que permite a un atacante remoto omitir la comprobaci\u00f3n del tipo de archivo, cargar un script malicioso y ejecutar c\u00f3digo arbitrario sin autenticaci\u00f3n, con el fin de tomar el control del sistema o terminar el servicio"}], "id": "CVE-2021-44164", "lastModified": "2026-06-17T04:11:58.883", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "twcert@cert.org.tw", "type": "Secondary"}]}, "published": "2021-12-20T03:15:06.827", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "twcert@cert.org.tw", "type": "Secondary"}]}

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