{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T02:18:52.613","vulnerabilities":[{"cve":{"id":"CVE-2021-25673","sourceIdentifier":"productcert@siemens.com","published":"2021-03-15T17:15:21.847","lastModified":"2024-11-21T05:55:16.273","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC S7-PLCSIM V5.4 (All versions). An attacker with local access to the system could cause a Denial-of-Service condition in the application when it is used to open a specially crafted file. As a consequence, the application could enter an infinite loop, become unresponsive and must be restarted to restore the service."},{"lang":"es","value":"Se ha identificado una vulnerabilidad en SIMATIC S7-PLCSIM versión V5.4 (todas las versiones). Un atacante con acceso local al sistema podría causar una condición de Denegación de Servicio en la aplicación cuando es usada para abrir un archivo especialmente diseñado. Como consecuencia, la aplicación podría entrar en un bucle infinito, deja de responder y debe reiniciarse para restaurar el servicio"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:C","baseScore":4.9,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-835"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:simatic_s7-plcsim:*:*:*:*:*:*:*:*","matchCriteriaId":"7EB74C10-6967-420B-8C4F-81838A54050D"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-256092.pdf","source":"productcert@siemens.com","tags":["Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-256092.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}