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CVE-2009-1211

Estado: ModificadaMedia (5.8)—

Blue Coat ProxySG, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.

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 (19)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1211",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "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": "2009-04-01T10:30:00.407",
  "references": [
    {
      "url": "http://www.securitytracker.com/id?1021781",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://hypersonic.bluecoat.com/support/securityadvisories/ProxySG_in_transparent_deployments",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1021781",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hypersonic.bluecoat.com/support/securityadvisories/ProxySG_in_transparent_deployments",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Blue Coat ProxySG, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header."
    },
    {
      "lang": "es",
      "value": "Blue Coat ProxySG, cuando el modo de interceptación transparente está activado, usa la cabecera HTTP Host para determinar el \"endpoint\" (punto de finalización) remoto, lo que permite a atacantes remotos evitar los controles de acceso por Flash, Java, Silverlight y probablemente otras tecnologías, y posiblemente comunicarse con sitios de la intranet restringidos, a través de una página web manipulada que provoca que el cliente envíe peticiones HTTP con una cabecera Host modificada."
    }
  ],
  "lastModified": "2026-06-16T23:06:46.770",
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}