{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-28391", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "assignerShortName": "siemens", "dateUpdated": "2024-08-04T16:33:59.106Z", "dateReserved": "2020-11-10T00:00:00", "datePublished": "2021-01-12T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2022-12-13T00:00:00"}, "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic."}], "affected": [{"vendor": "Siemens", "product": "SCALANCE X-200 switch family (incl. SIPLUS NET variants)", "versions": [{"version": "All versions < V5.2.5", "status": "affected"}]}, {"vendor": "Siemens", "product": "SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)", "versions": [{"version": "All versions < V5.5.0", "status": "affected"}]}, {"vendor": "Siemens", "product": "SCALANCE X-200RNA switch family", "versions": [{"version": "All versions < V3.2.7", "status": "affected"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-321: Use of Hard-coded Cryptographic Key", "cweId": "CWE-321"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:33:59.106Z"}, "title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf", "tags": ["x_transferred"]}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02", "tags": ["x_transferred"]}]}]}}

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SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de switches SCALANCE X-200 (incluyendo Variantes SIPLUS NET) (Todas las versiones anteriores a la versi\u00f3n V5.2.5), familia de switches SCALANCE X-200IRT (incluyendo la variante SIPLUS NET) (Todas las versiones anteriores a la versi\u00f3n V5.5.0). Los dispositivos crean una nueva clave \u00fanica tras el restablecimiento de f\u00e1brica, excepto cuando se usan con C-PLUG. Cuando se usa con C-PLUG, los dispositivos usan la clave RSA privada embebida que se env\u00eda con la imagen del firmware. Un atacante podr\u00eda aprovechar esta situaci\u00f3n en una situaci\u00f3n de man-in-the-middle y descifrar el tr\u00e1fico capturado previamente"}], "id": "CVE-2020-28391", "lastModified": "2022-12-13T17:15:13.113", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-12T21:15:18.120", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf"}, {"source": "productcert@siemens.com", "tags": ["Third Party Advisory", "US Government Resource", "Vendor Advisory"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-321"}], "source": "productcert@siemens.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-798"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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