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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation in the UEFI WheaERST module for some Intel(R) reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}, {"lang": "es", "value": "La validaci\u00f3n de entrada incorrecta en el m\u00f3dulo UEFI WheaERST para algunas plataformas de referencia Intel(R) puede permitir una escalada de privilegios. Un adversario de software del sistema con un usuario privilegiado combinado con un ataque de alta complejidad puede habilitar la escalada de privilegios. Este resultado puede ocurrir potencialmente a trav\u00e9s de acceso local cuando los requisitos de ataque est\u00e1n presentes sin conocimiento interno especial y no requiere interacci\u00f3n del usuario. La vulnerabilidad potencial puede impactar la confidencialidad (alta), integridad (alta) y disponibilidad (alta) del sistema vulnerable, resultando en impactos subsiguientes en la confidencialidad (ninguno), integridad (ninguno) y disponibilidad (ninguno) del sistema."}], "id": "CVE-2025-20027", "lastModified": "2026-03-11T13:52:47.683", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/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": "secure@intel.com", "type": "Secondary"}]}, "published": "2026-03-10T23:16:41.597", "references": [{"source": "secure@intel.com", "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01234.html"}], "sourceIdentifier": "secure@intel.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "secure@intel.com", "type": "Primary"}]}

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