{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T02:36:45.112","vulnerabilities":[{"cve":{"id":"CVE-2020-7584","sourceIdentifier":"productcert@siemens.com","published":"2020-07-14T14:15:18.650","lastModified":"2024-11-21T05:37:25.200","vulnStatus":"Modified","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 número de nuevas conexiones entrantes y podrían bloquearse bajo determinadas circunstancias. Un atacante puede aprovechar esto para causar una situación de Denegación de Servicio"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-200_smart_sr_cpu_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2","versionEndExcluding":"2.5.1","matchCriteriaId":"4FE8A428-3F0B-4A1C-BE47-2C1E82C47923"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-200_smart_sr_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"CD87FA1B-10BF-4712-B229-A9AE3A9DECEC"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-200_smart_st_cpu_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2","versionEndExcluding":"2.5.1","matchCriteriaId":"CCB78749-4917-4060-8403-685790A1F12C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-200_smart_st_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"0E97C885-E63F-4979-AD91-30A7B4F88AC8"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf","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"]}]}}]}