CVE-2020-7867

{"containers": {"cna": {"affected": [{"platforms": ["Windows"], "product": "HelpuViewer.exe", "vendor": "HelpU", "versions": [{"lessThanOrEqual": "2018.5.21.0", "status": "affected", "version": "2018.5.21.0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user because the viewer program receive the file from agent with privilege of administrator."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-27T00:43:35.000Z", "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303"}], "source": {"discovery": "UNKNOWN"}, "title": "Helpu arbitrary file creation vulnerability", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vuln@krcert.or.kr", "ID": "CVE-2020-7867", "STATE": "PUBLIC", "TITLE": "Helpu arbitrary file creation vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HelpuViewer.exe", "version": {"version_data": [{"platform": "Windows", "version_affected": "<=", "version_name": "2018.5.21.0", "version_value": "2018.5.21.0"}]}}]}, "vendor_name": "HelpU"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user because the viewer program receive the file from agent with privilege of administrator."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303", "refsource": "MISC", "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:41:01.954Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303"}]}]}, "cveMetadata": {"assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "assignerShortName": "krcert", "cveId": "CVE-2020-7867", "datePublished": "2021-10-27T00:43:35.000Z", "dateReserved": "2020-01-22T00:00:00.000Z", "dateUpdated": "2024-08-04T09:41:01.954Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"platforms": ["Windows"], "product": "HelpuViewer.exe", "vendor": "HelpU", "versions": [{"lessThanOrEqual": "2018.5.21.0", "status": "affected", "version": "2018.5.21.0", "versionType": "custom"}]}], "source": "vuln@krcert.or.kr"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:helpu:helpuviewer:2018.5.21.0:*:*:*:*:windows:*:*", "matchCriteriaId": "6DA81C9C-27A9-4BA9-AECD-8BFDCA46C13D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user because the viewer program receive the file from agent with privilege of administrator."}, {"lang": "es", "value": "Una vulnerabilidad de comprobaci\u00f3n de entrada inapropiada en Helpu solution podr\u00eda permitir a un atacante local la creaci\u00f3n y ejecuci\u00f3n arbitraria de archivos sin hacer clic en el men\u00fa de transferencia de archivos. Es posible la creaci\u00f3n de archivos en un directorio arbitrario para el usuario porque el programa de visualizaci\u00f3n recibe el archivo desde el agente con privilegio de administrador"}], "id": "CVE-2020-7867", "lastModified": "2026-06-17T03:25:34.550", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "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": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-27T01:15:07.190", "references": [{"source": "vuln@krcert.or.kr", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36303"}], "sourceIdentifier": "vuln@krcert.or.kr", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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