{ "id": "CVE-2021-40368", "sourceIdentifier": "productcert@siemens.com", "published": "2022-04-12T09:15:13.343", "lastModified": "2024-11-21T06:23:58.173", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-2 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-2 DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.10), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions < V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions < V8.2.3), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp.\n\nThis could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations." }, { "lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de CPUs SIMATIC S7-400 H V6 (incluidas las variantes SIPLUS) (todas las versiones anteriores a V6.0.10), la familia de CPUs SIMATIC S7-400 PN/DP V7 (incluidas las variantes SIPLUS) (todas las versiones), la familia de CPUs SIMATIC S7-410 V10 (incluidas las variantes SIPLUS) (todas las versiones anteriores a V10.1) y la familia de CPUs SIMATIC S7-410 V8 (incluidas las variantes SIPLUS) (todas las versiones anteriores a V8.2.3). Los dispositivos afectados manejan incorrectamente paquetes especialmente dise\u00f1ados enviados al puerto 102/tcp. Esto podr\u00eda permitir a un atacante crear una condici\u00f3n de denegaci\u00f3n de servicio. Se necesita un reinicio para restaurar las operaciones normales" } ], "metrics": { "cvssMetricV31": [ { "source": "productcert@siemens.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "nvd@nist.gov", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "productcert@siemens.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] }, { "source": "nvd@nist.gov", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:simatic_s7-400h_v6_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.10", "matchCriteriaId": "B9F393A1-B2CD-4584-A401-F782D52CF419" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:simatic_s7-400h_v6:-:*:*:*:*:*:*:*", "matchCriteriaId": "1D082EB6-3C13-40C1-9949-179DC59037C1" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:simatic_s7-400_pn\\/dp_v7_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EC44664E-830D-4122-A97A-1AFA61F5BBB5" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:simatic_s7-400_pn\\/dp_v7:-:*:*:*:*:*:*:*", "matchCriteriaId": "C48D93F2-FB6B-4D4D-84FB-3A7CDE89B727" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:simatic_s7-410_v8_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "18E1CA5D-3D7D-49D0-A417-235E2AF6075C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:simatic_s7-410_v8:-:*:*:*:*:*:*:*", "matchCriteriaId": "926D9DCF-A7EA-416A-9A07-122D1FCA027B" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:simatic_s7-410_v10_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.1", "matchCriteriaId": "FEB11632-058A-4D56-B176-FC864038E41A" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:siemens:simatic_s7-410_v10:-:*:*:*:*:*:*:*", "matchCriteriaId": "6F240847-0ADC-475C-BDDF-6483A8FF5602" } ] } ] } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf", "source": "productcert@siemens.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] } ] }