{
  "id": "CVE-2021-3178",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-01-19T07:15:13.443",
  "lastModified": "2021-03-25T13:54:58.160",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "** DISPUTED ** fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack; see also the exports(5) no_subtree_check default behavior."
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** en el archivo fs/nfsd/nfs3xdr.c en el kernel de Linux versiones hasta 5.10.8, cuando se presenta una exportaci\u00f3n NFS de un subdirectorio de un sistema de archivos, permite a atacantes remotos saltar otras partes del sistema de archivos por medio de READDIRPLUS. NOTA: algunas terceros argumentan que tal exportaci\u00f3n de subdirectorios no intenta impedir este ataque; v\u00e9ase tambi\u00e9n el comportamiento predeterminado de no_subtree_check de exports(5)"
    }
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
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        "obtainAllPrivilege": false,
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      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6",
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