{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-01T07:04:31.491","vulnerabilities":[{"cve":{"id":"CVE-2021-33737","sourceIdentifier":"productcert@siemens.com","published":"2021-09-14T11:15:24.800","lastModified":"2024-11-21T06:09:28.747","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). Sending a specially crafted packet to port 102/tcp of an affected device could cause a denial of service condition. A restart is needed to restore normal operations."},{"lang":"es","value":"Se ha identificado una vulnerabilidad en SIMATIC CP 343-1 (incl. variantes SIPLUS) (Todas las versiones), SIMATIC CP 343-1 Advanced (incl. variantes SIPLUS) (Todas las versiones), SIMATIC CP 343-1 ERPC (Todas las versiones), SIMATIC CP 343-1 Lean (incl. variantes SIPLUS) SIPLUS) (Todas las versiones), SIMATIC CP 443-1 (incl. variantes SIPLUS) (Todas las versiones), SIMATIC CP 443-1 Advanced (Todas las versiones), SIMATIC CP 443-1 Advanced (incl. variantes SIPLUS) (Todas las versiones), SIPLUS NET CP 443-1 Advanced (Todas las versiones). El envío de un paquete especialmente diseñado al puerto 102/tcp de un dispositivo afectado podría causar una condición de denegación de servicio. Se necesita un reinicio para restaurar las operaciones normales"}],"metrics":{"cvssMetricV31":[{"source":"productcert@siemens.com","type":"Secondary","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},{"source":"nvd@nist.gov","type":"Secondary","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:C","baseScore":7.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"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-119"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_343-1_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"611E1F0F-D55F-4F40-87A0-4783876182B0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp343-1:-:*:*:*:*:*:*:*","matchCriteriaId":"F612E7D3-BA66-4E2D-AA23-E5DC2AAE4FE5"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_343-1_advanced_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"794168D5-B763-42D4-9D31-55D284BFECE2"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp343-1_advanced:-:*:*:*:*:*:*:*","matchCriteriaId":"ACCC0229-E454-4BEF-931A-3CD820500822"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_343-1_erpc_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"368AFAB1-3B35-41E1-9EF6-F3826181A074"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_343-1_erpc:*:*:*:*:*:*:*:*","matchCriteriaId":"E5BDA5E4-9A6E-4C7B-9EE1-CB3D27EA960A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_343-1_lean_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"E3B76697-8D6F-4CBC-9333-561613CA0492"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_343-1_lean:*:*:*:*:*:*:*:*","matchCriteriaId":"78F8E868-DBAB-4BBC-A9FE-9EA97C5883DA"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_443-1_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"88638890-5ABE-4824-A41F-FCF30532A538"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_443-1:*:*:*:*:*:*:*:*","matchCriteriaId":"733EA356-41B9-47E9-8E17-0988D84CCEF8"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_cp_443-1_advanced_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"5B01B39C-0039-4126-95F2-6F691C5158A0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_cp_443-1_advanced:*:*:*:*:*:*:*:*","matchCriteriaId":"A2F03FF0-205F-4199-B2C3-8744F6BA4146"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdf","source":"productcert@siemens.com","tags":["Patch","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}