{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-09T06:33:17.483","vulnerabilities":[{"cve":{"id":"CVE-2021-33719","sourceIdentifier":"productcert@siemens.com","published":"2021-09-14T11:15:24.447","lastModified":"2024-11-21T06:09:26.580","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition or potential remote code execution."},{"lang":"es","value":"Se ha identificado una vulnerabilidad en los relés SIPROTEC 5 con variantes de CPU CP050 (Todas las versiones anteriores a V8.80), relés SIPROTEC 5 con variantes de CPU CP100 (Todas las versiones anteriores a V8.80), relés SIPROTEC 5 con variantes de CPU CP300 (Todas las versiones anteriores a V8.80). Los paquetes especialmente diseñados enviados al puerto 4443/tcp podrían causar una condición de denegación de servicio o una potencial ejecución de código remota"}],"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:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp050:*:*:*:*:*:*:*:*","versionEndExcluding":"8.80","matchCriteriaId":"9755644C-32A9-468D-A7AD-D12B8C1924D9"},{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp100:*:*:*:*:*:*:*:*","versionEndExcluding":"8.80","matchCriteriaId":"27B5603D-CA86-440D-9CBE-A6F50AA1ADE1"},{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp300:*:*:*:*:*:*:*:*","versionEndExcluding":"8.80","matchCriteriaId":"23382FCC-10D8-4DEC-A6B1-9B39D8988299"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf","source":"productcert@siemens.com","tags":["Patch","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}