CVE-2025-30218

{"id": "CVE-2025-30218", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 1.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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", "exploitMaturity": "UNREPORTED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-04-02T22:15:19.940", "references": [{"url": "https://github.com/vercel/next.js/security/advisories/GHSA-223j-4rm8-mrmf", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://vercel.com/changelog/cve-2025-30218-5DREmEH765PoeAsrNNQj3O", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Next.js is a React framework for building full-stack web applications. To mitigate CVE-2025-29927, Next.js validated the x-middleware-subrequest-id which persisted across multiple incoming requests. However, this subrequest ID is sent to all requests, even if the destination is not the same host as the Next.js application. Initiating a fetch request to a third-party within Middleware will send the x-middleware-subrequest-id to that third party. This vulnerability is fixed in 12.3.6, 13.5.10, 14.2.26, and 15.2.4."}, {"lang": "es", "value": "Next.js es un React framework para construir aplicaciones web de pila completa. Para mitigar CVE-2025-29927, Next.js valid\u00f3 el ID X-Middleware-subrequest que persisti\u00f3 en m\u00faltiples solicitudes entrantes. Sin embargo, esta ID de subrequest se env\u00eda a todas las solicitudes, incluso si el destino no es el mismo host que la aplicaci\u00f3n Next.js. Iniciar una solicitud de recuperaci\u00f3n a un tercero dentro de Middleware enviar\u00e1 el ID de subrequest de X-Middleware a ese tercero. Esta vulnerabilidad se fija en 12.3.6, 13.5.10, 14.2.26 y 15.2.4."}], "lastModified": "2025-09-10T15:14:08.560", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vercel:next.js:12.3.5:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "B02B68D7-FB03-4BC8-B8B3-25A3810483F0"}, {"criteria": "cpe:2.3:a:vercel:next.js:13.5.9:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "CC945F11-B55E-4DB9-9088-21E47CDA0D42"}, {"criteria": "cpe:2.3:a:vercel:next.js:14.2.25:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "E0A872E1-917A-44A7-BD62-B55EE12DE1FC"}, {"criteria": "cpe:2.3:a:vercel:next.js:15.2.3:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "FC700B96-A321-4560-9D31-95894B8D95C4"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}