CVE-2021-40368

{"containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2023-04-11T09:02:03.176Z"}, "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."}], "affected": [{"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-1 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-2 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-2 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-2 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-3 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414F-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-2 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-3 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416F-2 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416F-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 417-4 DP V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)", "versions": [{"version": "All versions < V6.0.10", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)", "versions": [{"version": "All versions < V10.1", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)", "versions": [{"version": "All versions < V8.2.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 414-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 416-3 PN/DP V7", "versions": [{"version": "All versions < V7.0.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 416-3 V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 417-4 V7", "versions": [{"version": "All versions", "status": "affected"}], "defaultStatus": "unknown"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-119", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer", "type": "CWE"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:44:09.608Z"}, "title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-18T15:12:26.532560Z", "id": "CVE-2021-40368", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-21T13:54:27.056Z"}}]}, "cveMetadata": {"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "assignerShortName": "siemens", "cveId": "CVE-2021-40368", "datePublished": "2022-04-12T09:07:23.000Z", "dateReserved": "2021-09-01T00:00:00.000Z", "dateUpdated": "2025-04-21T13:54:27.056Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:44:09.608Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-40368", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-18T15:12:26.532560Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-18T15:12:28.175Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"}}], "affected": [{"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-1 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-2 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 412-2 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-2 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-3 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 414F-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-2 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-3 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416F-2 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 416F-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": " SIMATIC S7-400 CPU 417-4 DP V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)", "versions": [{"status": "affected", "version": "All versions < V6.0.10"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)", "versions": [{"status": "affected", "version": "All versions < V10.1"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)", "versions": [{"status": "affected", "version": "All versions < V8.2.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 414-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 416-3 PN/DP V7", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 416-3 V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-400 CPU 417-4 V7", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf"}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}], "providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2023-04-11T09:02:03.176Z"}}}, "cveMetadata": {"cveId": "CVE-2021-40368", "state": "PUBLISHED", "dateUpdated": "2025-04-21T13:54:27.056Z", "dateReserved": "2021-09-01T00:00:00.000Z", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "datePublished": "2022-04-12T09:07:23.000Z", "assignerShortName": "siemens"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 412-1 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 412-2 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 412-2 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 414-2 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 414-3 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 414-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 414F-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 416-2 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 416-3 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 416-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 416F-2 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 416F-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": " SIMATIC S7-400 CPU 417-4 DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V6.0.10"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V10.1"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V8.2.3"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-400 CPU 414-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-400 CPU 416-3 PN/DP V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions < V7.0.3"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-400 CPU 416-3 V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-400 CPU 417-4 V7", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}], "source": "productcert@siemens.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-400h_v6_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9F393A1-B2CD-4584-A401-F782D52CF419", "versionEndExcluding": "6.0.10", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-400h_v6:-:*:*:*:*:*:*:*", "matchCriteriaId": "1D082EB6-3C13-40C1-9949-179DC59037C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-400_pn\\/dp_v7_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EC44664E-830D-4122-A97A-1AFA61F5BBB5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-400_pn\\/dp_v7:-:*:*:*:*:*:*:*", "matchCriteriaId": "C48D93F2-FB6B-4D4D-84FB-3A7CDE89B727", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-410_v8_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "18E1CA5D-3D7D-49D0-A417-235E2AF6075C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-410_v8:-:*:*:*:*:*:*:*", "matchCriteriaId": "926D9DCF-A7EA-416A-9A07-122D1FCA027B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-410_v10_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FEB11632-058A-4D56-B176-FC864038E41A", "versionEndExcluding": "10.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-410_v10:-:*:*:*:*:*:*:*", "matchCriteriaId": "6F240847-0ADC-475C-BDDF-6483A8FF5602", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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"}], "id": "CVE-2021-40368", "lastModified": "2026-06-17T04:06:48.793", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "productcert@siemens.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-40368", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-18T15:12:26.532560Z", "version": "2.0.3"}}]}, "published": "2022-04-12T09:15:13.343", "references": [{"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"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{}

{}