{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-32737", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "state": "PUBLISHED", "assignerShortName": "siemens", "dateReserved": "2023-05-12T13:16:47.721Z", "datePublished": "2024-07-09T12:04:28.195Z", "dateUpdated": "2025-08-27T20:32:53.574Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2024-07-09T12:04:28.195Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC STEP 7 Safety V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.\r\n\r\nThis is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300."}], "affected": [{"vendor": "Siemens", "product": "SIMATIC STEP 7 Safety V18", "versions": [{"status": "affected", "version": "0", "lessThan": "V18 Update 2", "versionType": "custom"}], "defaultStatus": "unknown"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 7, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-32737", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-07-09T13:30:19.087742Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*"], "vendor": "siemens", "product": "simatic_step_7", "versions": [{"status": "affected", "version": "0", "lessThan": "18", "versionType": "custom"}], "defaultStatus": "unknown"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-27T20:32:53.574Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T15:25:36.731Z"}, "title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T15:25:36.731Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-32737", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-07-09T13:30:19.087742Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*"], "vendor": "siemens", "product": "simatic_step_7", "versions": [{"status": "affected", "version": "0", "lessThan": "18", "versionType": "custom"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-09T13:35:29.917Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "affected": [{"vendor": "Siemens", "product": "SIMATIC STEP 7 Safety V18", "versions": [{"status": "affected", "version": "0", "lessThan": "V18 Update 2", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html"}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC STEP 7 Safety V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.\r\n\r\nThis is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2024-07-09T12:04:28.195Z"}}}, "cveMetadata": {"cveId": "CVE-2023-32737", "state": "PUBLISHED", "dateUpdated": "2025-08-27T20:32:53.574Z", "dateReserved": "2023-05-12T13:16:47.721Z", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "datePublished": "2024-07-09T12:04:28.195Z", "assignerShortName": "siemens"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC STEP 7 Safety V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.\r\n\r\nThis is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SIMATIC STEP 7 Safety V18 (todas las versiones &lt; V18 Update 2). Las aplicaciones afectadas no restringen adecuadamente .NET BinaryFormatter al deserializar la entrada controlable por el usuario. Esto podr\u00eda permitir que un atacante cause confusi\u00f3n de tipos y ejecute c\u00f3digo arbitrario dentro de la aplicaci\u00f3n afectada. Este es el mismo problema que existe para .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300."}], "id": "CVE-2023-32737", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 5.9, "source": "productcert@siemens.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "productcert@siemens.com", "type": "Secondary"}]}, "published": "2024-07-09T12:15:09.627", "references": [{"source": "productcert@siemens.com", "url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://cert-portal.siemens.com/productcert/html/ssa-313039.html"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "productcert@siemens.com", "type": "Secondary"}]}

{}

{}