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{
"id": "CVE-2020-27672",
"sourceIdentifier": "cve@mitre.org",
"published": "2020-10-22T21:15:13.950",
"lastModified": "2024-11-21T05:21:38.207",
"vulnStatus": "Modified",
"cveTags": [],
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"descriptions": [
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"lang": "en",
"value": "An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en Xen versiones hasta 4.14.x, permitiendo a usuarios del SO invitado x86 causar una denegaci\u00f3n de servicio del SO host, lograr una corrupci\u00f3n de datos o posiblemente alcanzar privilegios mediante la explotaci\u00f3n de una condici\u00f3n de carrera que conlleva a un uso de la memoria previamente liberada involucrando a superp\u00e1ginas de 2MiB y 1GiB"
}
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"baseScore": 7.0,
"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
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},
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"accessVector": "LOCAL",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
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"integrityImpact": "COMPLETE",
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},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.4,
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