CVE-2021-37199

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{"affected": [{"affectedData": [{"product": "SINUMERIK 808D", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"product": "SINUMERIK 828D", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V4.95"}]}], "source": "productcert@siemens.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinumerik_808d_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6656E410-ED0B-413E-A173-D21DA005123E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinumerik_808d:-:*:*:*:*:*:*:*", "matchCriteriaId": "6B6A9DDC-D9C6-4497-8948-295C4AB567DA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinumerik_828d_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2996DBE9-0573-4D62-A4E5-AE39F3A8978F", "versionEndExcluding": "4.95", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinumerik_828d:-:*:*:*:*:*:*:*", "matchCriteriaId": "7D97047C-9772-4AEB-B993-131EBBAE33BA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SINUMERIK 808D (All versions), SINUMERIK 828D (All versions < V4.95). Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial-of-service in the device."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SINUMERIK 808D (Todas las versiones), SINUMERIK 828D (Todas las versiones anteriores a V4.95). Los dispositivos afectados no procesan correctamente determinados paquetes especialmente dise\u00f1ados enviados al puerto 102/tcp, lo que podr\u00eda permitir a un atacante causar una denegaci\u00f3n de servicio en el dispositivo"}], "id": "CVE-2021-37199", "lastModified": "2026-06-17T04:00:15.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-12T10:15:12.600", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-178380.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-178380.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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