{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T18:52:41.657","vulnerabilities":[{"cve":{"id":"CVE-2020-15796","sourceIdentifier":"productcert@siemens.com","published":"2020-12-14T21:15:19.440","lastModified":"2024-11-21T05:06:11.890","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request."},{"lang":"es","value":"Se ha identificado una vulnerabilidad en SIMATIC ET 200SP Open Controller (incluyendo variantes SIPLUS) (versión V20.8), SIMATIC S7-1500 Software Controller (versión V20.8).&#xa0;El servidor web de los productos afectados contiene una vulnerabilidad que podría permitir a un atacante remoto desencadenar una condición de denegación de servicio mediante el envío de una petición HTTP especialmente diseñada"}],"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-248"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_et_200sp_open_controller_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"20.8","matchCriteriaId":"BB17DB68-B876-4238-961E-383E0CD24E66"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_et_200sp_open_controller:-:*:*:*:*:*:*:*","matchCriteriaId":"A5B5313D-48E9-47F5-BF59-C71A255D9831"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-1500_software_controller_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"20.8","matchCriteriaId":"2BDF4011-5D76-4A15-9E2F-01B38685CD7B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-1500_software_controller:-:*:*:*:*:*:*:*","matchCriteriaId":"FE4D4D21-9868-4FA3-89A8-1EEC473383EF"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf","source":"productcert@siemens.com","tags":["Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}