{ "id": "CVE-2021-31337", "sourceIdentifier": "productcert@siemens.com", "published": "2021-06-28T13:15:20.840", "lastModified": "2021-07-02T14:05:42.270", "vulnStatus": "Analyzed", "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)" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "productcert@siemens.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-306" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:sinamics_sl150_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E032554B-7F51-4482-AF55-743FFB5AC352" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:sinamics_sl150:-:*:*:*:*:*:*:*", "matchCriteriaId": "C6619B0F-7CDC-40A6-89B2-C6067AF45214" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:sinamics_sm150_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "33B7E1DE-61B5-4CFC-8640-EB8029CD79D6" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:sinamics_sm150:-:*:*:*:*:*:*:*", "matchCriteriaId": "2AE231E2-2B2B-407A-BF7A-9EA35F394229" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:sinamics_sm150i_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6067521-A21D-4B2A-AFB2-2E033F66B63E" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:sinamics_sm150i:-:*:*:*:*:*:*:*", "matchCriteriaId": "A44DEAD8-8DB8-41CC-9495-B842BE76EA8F" } ] } ] } ], "references": [ { "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04", "source": "productcert@siemens.com", "tags": [ "Not Applicable", "Third Party Advisory", "US Government Resource" ] } ] }