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CVE-2009-4074

Estado: ModificadaMedia (4.3)—

El filtro XSS en Microsoft Internet Explorer v8 permite a atacantes remotos afianzar "el mecanismo de cambio de respuesta" para conducir un ataque de secuencias de comandos en sitios cruzados (XSS) contra paginas web que no tienen vulnerabilidades XSS, relacionado con la codificación de salida.

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)

Microsoft — Internet Explorer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-4074",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-11-25T18:30:00.250",
  "references": [
    {
      "url": "http://hackademix.net/2009/11/21/ies-xss-filter-creates-xss-vulnerabilities/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.owasp.org/images/5/50/OWASP-Italy_Day_IV_Maone.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/37135",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.theregister.co.uk/2009/11/20/internet_explorer_security_flaw/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7715",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://hackademix.net/2009/11/21/ies-xss-filter-creates-xss-vulnerabilities/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.owasp.org/images/5/50/OWASP-Italy_Day_IV_Maone.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/37135",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.theregister.co.uk/2009/11/20/internet_explorer_security_flaw/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7715",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to leverage the \"response-changing mechanism\" to conduct cross-site scripting (XSS) attacks against web sites that have no inherent XSS vulnerabilities, related to the details of output encoding and improper modification of an HTML attribute, aka \"XSS Filter Script Handling Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "El filtro XSS en Microsoft Internet Explorer v8 permite a atacantes remotos afianzar \"el mecanismo de cambio de respuesta\" para conducir un ataque de secuencias de comandos en sitios cruzados (XSS) contra paginas web que no tienen vulnerabilidades XSS, relacionado con la codificación de salida."
    }
  ],
  "lastModified": "2026-06-16T23:12:58.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A52E757F-9B41-43B4-9D67-3FEDACA71283"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}