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CVE-2004-0747

Estado: ModificadaAlta (7.8)—

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

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 (1)

Apache — Http Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2004-0747",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2004-0747",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-05T21:31:51.729461Z"
        }
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
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          "attackComplexity": "LOW",
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          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1.8
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          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
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  },
  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2004-10-20T04:00:00.000",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-131"
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    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-131"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en Apache 2.0.50 y anteriores permite a usuarios locales ganar privilegios mediante un fichero .htaccess que causa un desbordamiento durante la expansión de variables de entorno."
    }
  ],
  "lastModified": "2026-06-16T22:06:17.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5A9EAAF-A5F4-493E-9530-8A448E55CDCC",
              "versionEndExcluding": "2.0.51",
              "versionStartIncluding": "2.0.35"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "vendorComments": [
    {
      "comment": "Fixed in Apache HTTP Server 2.0.51:\nhttp://httpd.apache.org/security/vulnerabilities_20.html",
      "lastModified": "2008-07-02T00:00:00",
      "organization": "Apache"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}