CVE-2020-7538

{"containers": {"cna": {"affected": [{"product": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)", "vendor": "n/a", "versions": [{"status": "affected", "version": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)"}]}], "descriptions": [{"lang": "en", "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions 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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-11-19T21:04:18.000Z", "orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "shortName": "schneider"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cybersecurity@schneider-electric.com", "ID": "CVE-2020-7538", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)", "version": {"version_data": [{"version_value": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"}]}]}, "references": {"reference_data": [{"name": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/", "refsource": "MISC", "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:33:19.804Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/"}]}]}, "cveMetadata": {"assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "assignerShortName": "schneider", "cveId": "CVE-2020-7538", "datePublished": "2020-11-19T21:04:18.000Z", "dateReserved": "2020-01-21T00:00:00.000Z", "dateUpdated": "2024-08-04T09:33:19.804Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)", "vendor": "n/a", "versions": [{"status": "affected", "version": "PLC Simulator on EcoStruxure\u00aa Control Expert (now Unity Pro) (all versions)"}]}], "source": "cybersecurity@se.com"}], "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-754: Improper Check for Unusual or Exceptional Conditions 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-754: Se presenta una vulnerabilidad Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales 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-2020-7538", "lastModified": "2026-06-17T03:24:58.050", "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": "2020-11-19T22:15:14.020", "references": [{"source": "cybersecurity@se.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-07/"}], "sourceIdentifier": "cybersecurity@se.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "cybersecurity@se.com", "type": "Secondary"}]}

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