CVE-2021-31337

{"containers": {"cna": {"affected": [{"product": "SINAMICS Medium Voltage Products", "vendor": "n/a", "versions": [{"status": "affected", "version": "SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions"}]}], "descriptions": [{"lang": "en", "value": "The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions)."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-28T12:24:58.000Z", "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "productcert@siemens.com", "ID": "CVE-2021-31337", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SINAMICS Medium Voltage Products", "version": {"version_data": [{"version_value": "SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:55:53.698Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}]}]}, "cveMetadata": {"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "assignerShortName": "siemens", "cveId": "CVE-2021-31337", "datePublished": "2021-06-28T12:24:58.000Z", "dateReserved": "2021-04-15T00:00:00.000Z", "dateUpdated": "2024-08-03T22:55:53.698Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "SINAMICS Medium Voltage Products", "vendor": "n/a", "versions": [{"status": "affected", "version": "SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions"}]}], "source": "productcert@siemens.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinamics_sl150_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E032554B-7F51-4482-AF55-743FFB5AC352", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinamics_sl150:-:*:*:*:*:*:*:*", "matchCriteriaId": "C6619B0F-7CDC-40A6-89B2-C6067AF45214", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinamics_sm150_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "33B7E1DE-61B5-4CFC-8640-EB8029CD79D6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinamics_sm150:-:*:*:*:*:*:*:*", "matchCriteriaId": "2AE231E2-2B2B-407A-BF7A-9EA35F394229", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinamics_sm150i_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6067521-A21D-4B2A-AFB2-2E033F66B63E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinamics_sm150i:-:*:*:*:*:*:*:*", "matchCriteriaId": "A44DEAD8-8DB8-41CC-9495-B842BE76EA8F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions)."}, {"lang": "es", "value": "El servicio Telnet del componente del sistema SIMATIC HMI Comfort Panels en los productos afectados no requiere autenticaci\u00f3n, lo que puede permitir a un atacante remoto conseguir acceso al dispositivo si el servicio est\u00e1 habilitado. Telnet est\u00e1 desactivado por defecto en los productos SINAMICS Medium Voltage (SINAMICS SL150: Todas las versiones, SINAMICS SM150: Todas las versiones, SINAMICS SM150i: Todas las versiones)"}], "id": "CVE-2021-31337", "lastModified": "2026-06-17T03:51:34.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-28T13:15:20.840", "references": [{"source": "productcert@siemens.com", "tags": ["Not Applicable", "Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable", "Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "productcert@siemens.com", "type": "Secondary"}]}

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