{"id": "CVE-2020-25241", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-03-15T17:15:20.097", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf", "tags": ["Vendor Advisory"], "source": "productcert@siemens.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-129"}]}, {"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-1285"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia SIMATIC MV400 (todas las versiones anteriores a V7.0.6). La pila TCP subyacente de los productos afectados no comprueba correctamente el n\u00famero de secuencia de los paquetes TCP RST entrantes. Un atacante podr\u00eda explotar esto para terminar sesiones de TCP arbitrarias"}], "lastModified": "2021-03-18T20:04:09.937", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv440_sr_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F03A6447-DFB7-4D55-AB13-0605C222C24C", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv440_sr:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "370D346E-9FD9-4BFC-A450-97F0903F7241"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv440_hr_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47FE87FB-C8C3-4BA6-A482-41FA42061534", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv440_hr:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3AF5BB67-B397-4B55-8C59-FADE42B31E56"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv440_ur_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E72C168-08E8-4C7D-9795-89C73EB320ED", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv440_ur:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "839BB322-A4DB-4E3F-9060-B07ED5009690"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv420_sr-b_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9A67233-D7EB-47B5-9816-E5FCE101A3CB", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv420_sr-b:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DC2379D7-FD2F-4A5D-B683-7F5CB73A17AE"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv420_sr-p_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2FFB0530-86FE-49F6-BE38-D382FEA0779E", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv420_sr-p:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "238F8700-C919-4210-B27C-19FBA946A154"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv420_sr-b_body_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8C5282A-1399-4197-BA56-0A569139627A", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv420_sr-b_body:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "72F3CA3E-D578-4FD0-8405-FFAB566A3066"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_mv420_sr-p_body_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DABCCAD5-8E21-4F7E-B0FF-C9AA44B88C04", "versionEndExcluding": "7.0.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_mv420_sr-p_body:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "629016CC-4AE2-47B0-9662-00697C452737"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "productcert@siemens.com"}
