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CVE-2011-3404

Status: ModifiedMedium (4.3)—

Microsoft Internet Explorer 6 through 9 does not properly use the Content-Disposition HTTP header to control rendering of the HTTP response body, which allows remote attackers to read content from a different (1) domain or (2) zone via a crafted web site, aka "Content-Disposition Information Disclosure Vulnerability."

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — Internet Explorer

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2011-3404",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2011-12-14T00:55:01.560",
  "references": [
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-099",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14614",
      "tags": [
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      "description": [
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          "lang": "en",
          "value": "CWE-200"
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      "value": "Microsoft Internet Explorer 6 through 9 does not properly use the Content-Disposition HTTP header to control rendering of the HTTP response body, which allows remote attackers to read content from a different (1) domain or (2) zone via a crafted web site, aka \"Content-Disposition Information Disclosure Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Microsoft Internet Explorer 6 hasta la versión 9 no utiliza apropiadamente la cabecera HTTP  Content-Disposition para controlar la representación gráfica del cuerpo de la respuesta HTTP, lo que permite a atacantes remotos leer contenido de un (1) dominio o (2) zona distinta a través de un página web modificada. También conocida como \"Vulnerabilidad de revelación de información Content-Disposition\"."
    }
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  "lastModified": "2026-06-16T23:33:14.380",
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