CVE-2025-40771

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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-40771", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-14T18:59:33.962995Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-14T18:59:38.190Z"}}], "cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 9.3, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "affected": [{"vendor": "Siemens", "product": "SIMATIC CP 1542SP-1", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CP 1542SP-1 IRC", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CP 1543SP-1", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.4.24", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-486936.html"}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function"}]}], "providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2025-10-14T09:15:17.564Z"}}}, "cveMetadata": {"cveId": "CVE-2025-40771", "state": "PUBLISHED", "dateUpdated": "2025-10-14T18:59:41.570Z", "dateReserved": "2025-04-16T08:39:30.033Z", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "datePublished": "2025-10-14T09:15:17.564Z", "assignerShortName": "siemens"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC CP 1542SP-1", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC CP 1542SP-1 IRC", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC CP 1543SP-1", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL", "vendor": "Siemens", "versions": [{"lessThan": "V2.4.24", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "productcert@siemens.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (Todas las versiones anteriores a V2.4.24). Los dispositivos afectados no autentican correctamente las conexiones de configuraci\u00f3n. Esto podr\u00eda permitir a un atacante remoto no autenticado acceder a los datos de configuraci\u00f3n."}], "id": "CVE-2025-40771", "lastModified": "2026-10-23T22:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "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": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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:N/AC:L/AT:N/PR:N/UI:N/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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-40771", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-14T18:59:33.962995Z", "version": "2.0.3"}}]}, "published": "2025-10-14T10:15:38.297", "references": [{"source": "productcert@siemens.com", "url": "https://cert-portal.siemens.com/productcert/html/ssa-486936.html"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "productcert@siemens.com", "type": "Secondary"}]}

{}

{"created": "2025-10-20T15:52:38.981722+00:00", "updated": "2025-10-20T15:52:38.981748+00:00", "vendors": ["siemens", "siemens$PRODUCT$simatic_cp_1542sp-1", "siemens$PRODUCT$simatic_cp_1542sp-1_irc", "siemens$PRODUCT$simatic_cp_1543sp-1", "siemens$PRODUCT$siplus_et_200sp_cp_1542sp-1_irc_tx_rail", "siemens$PRODUCT$siplus_et_200sp_cp_1543sp-1_isec", "siemens$PRODUCT$siplus_et_200sp_cp_1543sp-1_isec_tx_rail"]}