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CVE-2000-0770

Estado: ModificadaMedia (6.4)—

IIS 4.0 and 5.0 does not properly restrict access to certain types of files when their parent folders have less restrictive permissions, which could allow remote attackers to bypass access restrictions to some files, aka the "File Permission Canonicalization" vulnerability.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Microsoft — Internet Information ServerMicrosoft — Internet Information Services

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2000-0770",
  "cveTags": [],
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "affectedData": [
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              "status": "affected",
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  ],
  "published": "2000-10-20T04:00:00.000",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/1565",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-057",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/1565",
      "tags": [
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  "descriptions": [
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      "value": "IIS 4.0 and 5.0 does not properly restrict access to certain types of files when their parent folders have less restrictive permissions, which could allow remote attackers to bypass access restrictions to some files, aka the \"File Permission Canonicalization\" vulnerability."
    }
  ],
  "lastModified": "2026-06-16T21:52:26.697",
  "configurations": [
    {
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