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"cpe:2.3:o:siemens:simatic_mv560_x_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6AF3675-11B7-4FB3-8151-3D307204CE9A", "versionEndExcluding": "3.3.4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv560_x:-:*:*:*:*:*:*:*", "matchCriteriaId": "DAA25C73-59D0-469D-BE6F-6188F645C1D9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). Affected devices cannot properly process specially crafted IP packets sent to the devices. This could allow an unauthenticated remote attacker to cause a denial of service condition. The affected devices must be restarted manually."}, {"lang": "es", "value": "Una vulnerabilidad ha sido identificada en SIMATIC MV540 H (Todas las versiones anteriores a V3.3.4), SIMATIC MV540 S (Todas las versiones anteriores a V3.3.4), SIMATIC MV550 H (Todas las versiones anteriores a V3.3.4), SIMATIC MV550 S (Todas las versiones anteriores a V3.3.4), SIMATIC MV560 U (Todas las versiones anteriores a V3.3.4), SIMATIC MV560 X (Todas las versiones anteriores a V3.3.4). Los dispositivos afectados no pueden procesar correctamente paquetes IP especialmente dise\u00f1ados enviados a los dispositivos. Esto podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio. Los dispositivos afectados deben ser reiniciados manualmente."}], "id": "CVE-2023-35920", "lastModified": "2026-10-23T23:10:00.157", "metrics": {"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": "productcert@siemens.com", "type": "Secondary"}, {"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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-35920", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-12T16:50:03.984084Z", "version": "2.0.3"}}]}, "published": "2023-07-11T10:15:10.543", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}
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