CVE-2019-3951

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{"affected": [{"affectedData": [{"product": "Advantech WebAccess/SCADA", "vendor": "n/a", "versions": [{"status": "affected", "version": "8.4.2."}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*", "matchCriteriaId": "B0196093-D216-4959-AF30-5EE649EE2D6C", "versionEndExcluding": "8.4.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages."}, {"lang": "es", "value": "Advantech WebAccess versiones anteriores a 8.4.3, permite a atacantes remotos no autenticados ejecutar c\u00f3digo arbitrario o causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) debido a un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria al manejar mensajes IOCTL 70533 RPC."}], "id": "CVE-2019-3951", "lastModified": "2026-06-17T02:35:56.657", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-12T21:15:12.120", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-52"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-52"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "vulnreport@tenable.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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