CVE-2025-40743

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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-40743", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-08-12T13:31:42.534312Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-12T13:31:43.846Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 8.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"}}], "affected": [{"vendor": "Siemens", "product": "SINUMERIK 828D PPU.4", "versions": [{"status": "affected", "version": "0", "lessThan": "V4.95 SP5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK 828D PPU.5", "versions": [{"status": "affected", "version": "0", "lessThan": "V5.25 SP1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK 840D sl", "versions": [{"status": "affected", "version": "0", "lessThan": "V4.95 SP5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK MC", "versions": [{"status": "affected", "version": "0", "lessThan": "V1.25 SP1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK MC V1.15", "versions": [{"status": "affected", "version": "0", "lessThan": "V1.15 SP5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK ONE", "versions": [{"status": "affected", "version": "0", "lessThan": "V6.25 SP1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SINUMERIK ONE V6.15", "versions": [{"status": "affected", "version": "0", "lessThan": "V6.15 SP5", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-177847.html"}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SINUMERIK 840D sl (All versions < V4.95 SP5), SINUMERIK MC (All versions < V1.25 SP1), SINUMERIK MC V1.15 (All versions < V1.15 SP5), SINUMERIK ONE (All versions < V6.25 SP1), SINUMERIK ONE V6.15 (All versions < V6.15 SP5). The affected application improperly validates authentication for its VNC access service, allowing access with insufficient password verification.\r\nThis could allow an attacker to gain unauthorized remote access and potentially compromise system confidentiality, integrity, or availability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"}]}], "providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2025-08-12T11:17:03.997Z"}}}, "cveMetadata": {"cveId": "CVE-2025-40743", "state": "PUBLISHED", "dateUpdated": "2025-08-13T20:18:49.085Z", "dateReserved": "2025-04-16T08:39:30.030Z", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "datePublished": "2025-08-12T11:17:03.997Z", "assignerShortName": "siemens"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "SINUMERIK 828D PPU.4", "vendor": "Siemens", "versions": [{"lessThan": "V4.95 SP5", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK 828D PPU.5", "vendor": "Siemens", "versions": [{"lessThan": "V5.25 SP1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK 840D sl", "vendor": "Siemens", "versions": [{"lessThan": "V4.95 SP5", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK MC", "vendor": "Siemens", "versions": [{"lessThan": "V1.25 SP1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK MC V1.15", "vendor": "Siemens", "versions": [{"lessThan": "V1.15 SP5", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK ONE", "vendor": "Siemens", "versions": [{"lessThan": "V6.25 SP1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SINUMERIK ONE V6.15", "vendor": "Siemens", "versions": [{"lessThan": "V6.15 SP5", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "productcert@siemens.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SINUMERIK 840D sl (All versions < V4.95 SP5), SINUMERIK MC (All versions < V1.25 SP1), SINUMERIK MC V1.15 (All versions < V1.15 SP5), SINUMERIK ONE (All versions < V6.25 SP1), SINUMERIK ONE V6.15 (All versions < V6.15 SP5). The affected application improperly validates authentication for its VNC access service, allowing access with insufficient password verification.\r\nThis could allow an attacker to gain unauthorized remote access and potentially compromise system confidentiality, integrity, or availability."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SINUMERIK 828D PPU.4 (todas las versiones anteriores a V4.95 SP5), SINUMERIK 828D PPU.5 (todas las versiones anteriores a V5.25 SP1), SINUMERIK 840D sl (todas las versiones anteriores a V4.95 SP5), SINUMERIK MC (todas las versiones anteriores a V1.25 SP1), SINUMERIK MC V1.15 (todas las versiones anteriores a V1.15 SP5), SINUMERIK ONE (todas las versiones anteriores a V6.25 SP1) y SINUMERIK ONE V6.15 (todas las versiones anteriores a V6.15 SP5). La aplicaci\u00f3n afectada valida incorrectamente la autenticaci\u00f3n para su servicio de acceso VNC, lo que permite el acceso sin verificaci\u00f3n de contrase\u00f1a suficiente. Esto podr\u00eda permitir que un atacante obtenga acceso remoto no autorizado y potencialmente comprometer la confidencialidad, integridad o disponibilidad del sistema."}], "id": "CVE-2025-40743", "lastModified": "2026-06-17T09:22:03.957", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "productcert@siemens.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "productcert@siemens.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-40743", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-08-12T13:31:42.534312Z", "version": "2.0.3"}}]}, "published": "2025-08-12T12:15:35.803", "references": [{"source": "productcert@siemens.com", "url": "https://cert-portal.siemens.com/productcert/html/ssa-177847.html"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "productcert@siemens.com", "type": "Secondary"}]}

{}

{"created": "2025-08-12T19:53:15.825272+00:00", "updated": "2025-08-12T19:53:15.825334+00:00", "vendors": ["siemens", "siemens$PRODUCT$sinumerik_828d", "siemens$PRODUCT$sinumerik_840d_sl", "siemens$PRODUCT$sinumerik_mc", "siemens$PRODUCT$sinumerik_one"]}