{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-28831", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "state": "PUBLISHED", "assignerShortName": "siemens", "dateReserved": "2023-03-24T15:17:33.934Z", "datePublished": "2023-09-12T09:32:06.153Z", "dateUpdated": "2025-08-21T13:51:54.314Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2025-08-18T13:15:23.237Z"}, "descriptions": [{"lang": "en", "value": "The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.\r\n\r\nThis could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate."}], "affected": [{"vendor": "Siemens", "product": "SIMATIC BRAUMAT", "versions": [{"status": "affected", "version": "0", "lessThan": "V8.1 SP1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Cloud Connect 7 CC712", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.2", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Cloud Connect 7 CC716", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.2", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Comfort/Mobile RT", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Drive Controller CPU 1504D TF", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Drive Controller CPU 1504D TF", "versions": [{"status": "affected", "version": "V3.0.1", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Drive Controller CPU 1507D TF", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Drive Controller CPU 1507D TF", "versions": [{"status": "affected", "version": "V3.0.1", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.9.7", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1514SP F-2 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1514SP-2 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1514SPT F-2 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1514SPT-2 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.0.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. 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