CVE-2020-7584

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{"affected": [{"affectedData": [{"product": "SIMATIC S7-200 SMART CPU family", "vendor": "Siemens AG", "versions": [{"status": "affected", "version": "All versions >= V2.2 < V2.5.1"}]}], "source": "productcert@siemens.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-200_smart_sr_cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4FE8A428-3F0B-4A1C-BE47-2C1E82C47923", "versionEndExcluding": "2.5.1", "versionStartIncluding": "2.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-200_smart_sr_cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD87FA1B-10BF-4712-B229-A9AE3A9DECEC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-200_smart_st_cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CCB78749-4917-4060-8403-685790A1F12C", "versionEndExcluding": "2.5.1", "versionStartIncluding": "2.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-200_smart_st_cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "0E97C885-E63F-4979-AD91-30A7B4F88AC8", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de CPU SIMATIC S7-200 SMART (Todas las versiones posteriores e incluyendo a V2.2 anteriores a V2.5.1). Los dispositivos afectados no manejan apropiadamente un gran n\u00famero de nuevas conexiones entrantes y podr\u00edan bloquearse bajo determinadas circunstancias. Un atacante puede aprovechar esto para causar una situaci\u00f3n de Denegaci\u00f3n de Servicio"}], "id": "CVE-2020-7584", "lastModified": "2026-06-17T03:25:03.850", "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": "2020-07-14T14:15:18.650", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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