CVE-2019-6831

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{"affected": [{"affectedData": [{"product": "BMXNOR0200H Ethernet / Serial RTU module", "vendor": "Schneider Electric SE", "versions": [{"status": "affected", "version": "all firmware versions"}]}], "source": "cybersecurity@se.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AECF5778-C5F5-4789-BD3D-793B35DDDBDF", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:*", "matchCriteriaId": "60D9A366-3394-4275-B884-AE6E7227156E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP."}, {"lang": "es", "value": "Una CWE-754: Se presenta una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales en el m\u00f3dulo BMXNOR0200H Ethernet/Serial RTU (todas las versiones de firmware), lo que podr\u00eda causar la desconexi\u00f3n de las conexiones activas cuando un n\u00famero inusualmente alto de paquetes IEC 60870-5104 son recibidos por parte del m\u00f3dulo sobre el puerto 2404/TCP."}], "id": "CVE-2019-6831", "lastModified": "2026-06-17T02:39:45.527", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-17T20:15:12.343", "references": [{"source": "cybersecurity@se.com", "tags": ["Broken Link"], "url": "https://security.cse.iitk.ac.in/responsible-disclosure"}, {"source": "cybersecurity@se.com", "tags": ["Vendor Advisory"], "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://security.cse.iitk.ac.in/responsible-disclosure"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/"}], "sourceIdentifier": "cybersecurity@se.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "cybersecurity@se.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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