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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*", "matchCriteriaId": "18E8CCC1-A467-4FEF-964D-8481EAE892EC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxure\u00aa Control Expert software when receiving a specially crafted request over Modbus."}, {"lang": "es", "value": "CWE-120: Se presenta una vulnerabilidad de Copia del B\u00fafer sin Comprobar el Tama\u00f1o de la Entrada (\"Classic Buffer Overflow\") en el Simulador de PLC en EcoStruxure\u00aa Control Expert (ahora Unity Pro) (todas las versiones) que podr\u00eda causar un bloqueo del simulador de PLC presente en el software EcoStruxure\u00aa Control Expert cuando recibe una petici\u00f3n especialmente dise\u00f1ada mediante Modbus"}], "id": "CVE-2020-7559", "lastModified": "2022-02-03T13:48:09.590", "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-19T22:15:14.800", "references": [{"source": "cybersecurity@se.com", "tags": ["Patch", "Product", "Vendor Advisory"], "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07"}, {"source": "cybersecurity@se.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1140"}], "sourceIdentifier": "cybersecurity@se.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "cybersecurity@se.com", "type": "Primary"}]}

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