CVE-2025-6892

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This vulnerability can be exploited after a legitimate user has logged in, as the system fails to properly validate session context or privilege boundaries. An attacker may leverage this flaw to perform unauthorized privileged operations. </span><span style=\"background-color: rgb(255, 255, 255);\">While successful exploitation can severely impact the confidentiality, integrity, and availability of the affected device itself, there is no loss of confidentiality or integrity within any subsequent systems.</span><br>"}], "value": "An Incorrect Authorization vulnerability has been identified in Moxa\u2019s network security appliances and routers. A flaw in the API authentication mechanism allows unauthorized access to protected API endpoints, including those intended for administrative functions. This vulnerability can be exploited after a legitimate user has logged in, as the system fails to properly validate session context or privilege boundaries. An attacker may leverage this flaw to perform unauthorized privileged operations. While successful exploitation can severely impact the confidentiality, integrity, and availability of the affected device itself, there is no loss of confidentiality or integrity within any subsequent systems."}], "impacts": [{"capecId": "CAPEC-39", "descriptions": [{"lang": "en", "value": "CAPEC-39: Manipulating Opaque Client-based Data Tokens"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "2e0a0ee2-d866-482a-9f5e-ac03d156dbaa", "shortName": "Moxa", "dateUpdated": "2025-10-17T02:07:25.796Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Moxa has developed appropriate solutions to address the vulnerability. Please refer to&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo\">https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-202...</a></span><br>"}], "value": "Moxa has developed appropriate solutions to address the vulnerability. Please refer to\u00a0 https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-202... https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-17T13:46:39.858565Z", "id": "CVE-2025-6892", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-17T13:46:59.486Z"}}]}}

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Please refer to\u00a0 https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-202... https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Moxa has developed appropriate solutions to address the vulnerability. 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This vulnerability can be exploited after a legitimate user has logged in, as the system fails to properly validate session context or privilege boundaries. An attacker may leverage this flaw to perform unauthorized privileged operations. While successful exploitation can severely impact the confidentiality, integrity, and availability of the affected device itself, there is no loss of confidentiality or integrity within any subsequent systems.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">An Incorrect Authorization vulnerability has been identified in Moxa\u2019s network security appliances and routers. </span><span style=\"background-color: rgb(255, 255, 255);\">A flaw in the API authentication mechanism allows unauthorized access to protected API endpoints, including those intended for administrative functions. This vulnerability can be exploited after a legitimate user has logged in, as the system fails to properly validate session context or privilege boundaries. An attacker may leverage this flaw to perform unauthorized privileged operations. </span><span style=\"background-color: rgb(255, 255, 255);\">While successful exploitation can severely impact the confidentiality, integrity, and availability of the affected device itself, there is no loss of confidentiality or integrity within any subsequent systems.</span><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "2e0a0ee2-d866-482a-9f5e-ac03d156dbaa", "shortName": "Moxa", "dateUpdated": "2025-10-17T02:07:25.796Z"}}}, "cveMetadata": {"cveId": "CVE-2025-6892", "state": "PUBLISHED", "dateUpdated": "2025-10-17T13:46:59.486Z", "dateReserved": "2025-06-28T15:51:35.946Z", "assignerOrgId": "2e0a0ee2-d866-482a-9f5e-ac03d156dbaa", "datePublished": "2025-10-17T02:07:25.796Z", "assignerShortName": "Moxa"}, "dataVersion": "5.1"}

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A flaw in the API authentication mechanism allows unauthorized access to protected API endpoints, including those intended for administrative functions. This vulnerability can be exploited after a legitimate user has logged in, as the system fails to properly validate session context or privilege boundaries. An attacker may leverage this flaw to perform unauthorized privileged operations. While successful exploitation can severely impact the confidentiality, integrity, and availability of the affected device itself, there is no loss of confidentiality or integrity within any subsequent systems."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad de autorizaci\u00f3n incorrecta en los dispositivos de seguridad de red y routers de Moxa. Una falla en el mecanismo de autenticaci\u00f3n de la API permite el acceso no autorizado a los puntos finales de la API protegidos, incluidos aquellos destinados a funciones administrativas. Esta vulnerabilidad puede ser explotada despu\u00e9s de que un usuario leg\u00edtimo haya iniciado sesi\u00f3n, ya que el sistema no valida correctamente el contexto de la sesi\u00f3n o los l\u00edmites de privilegios. Un atacante puede aprovechar esta falla para realizar operaciones privilegiadas no autorizadas. Si bien la explotaci\u00f3n exitosa puede impactar gravemente la confidencialidad, integridad y disponibilidad del propio dispositivo afectado, no hay p\u00e9rdida de confidencialidad o integridad dentro de ning\u00fan sistema subsiguiente."}], "id": "CVE-2025-6892", "lastModified": "2026-10-18T21:10:00.120", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "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": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/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": "psirt@moxa.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-6892", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-17T13:46:39.858565Z", "version": "2.0.3"}}]}, "published": "2025-10-17T02:15:52.997", "references": [{"source": "psirt@moxa.com", "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo"}], "sourceIdentifier": "psirt@moxa.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "psirt@moxa.com", "type": "Secondary"}]}

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