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CVE-2009-2071

Estado: ModificadaMedia (6.8)—
Gravedad6.8Media · CVSS 2.0
Probabilidad de explotación1.02 %mayor que el 63 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Google Chrome anteriores a v1.0.154.53 muestra un certificado cacheado para una página de respuesta de CONEXIÓN (1) 4xx o (2) 5xx a través de un servidor proxy, lo que permite a un atacante "hombre en el medio" suplantar un sitio https permitiendo a un navegador obtener certificados válidos desde este sitio durante una petición, y enviando al navegador una página de respuesta 502 manipulada sobre una subsiguiente petición.

CVSS

Puntuación base
6.8
Versión
2.0
Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
1.02 %
Percentil entre todas las CVEs puntuadas
63
Fecha de la puntuación
23/10/2026

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)

Google — Chrome

CWE

Referencias

Mostrar las 18 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-2071",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "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": "2009-06-15T19:30:05.733",
  "references": [
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=7338",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=8473",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://research.microsoft.com/apps/pubs/default.aspx?id=79323",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes/releasenotes1015453",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
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      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://src.chromium.org/viewvc/chrome?view=rev&revision=11669",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/35411",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=479880",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=7338",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://code.google.com/p/chromium/issues/detail?id=8473",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://research.microsoft.com/apps/pubs/default.aspx?id=79323",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes/releasenotes1015453",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://src.chromium.org/viewvc/chrome/branches/release_154.next/src/net/http/http_transaction_winhttp.cc?r1=11621&r2=11669&pathrev=11669",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://src.chromium.org/viewvc/chrome?view=rev&revision=11669",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35411",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=479880",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request."
    },
    {
      "lang": "es",
      "value": "Google Chrome anteriores a v1.0.154.53 muestra un certificado cacheado para una página de respuesta de CONEXIÓN (1) 4xx o (2) 5xx a través de un servidor proxy, lo que permite a un atacante \"hombre en el medio\" suplantar un sitio https permitiendo a un navegador obtener certificados válidos desde este sitio durante una petición, y enviando al navegador una página de respuesta 502 manipulada sobre una subsiguiente petición."
    }
  ],
  "lastModified": "2026-06-16T23:08:42.247",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "1.0.154.52"
            },
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              "vulnerable": true,
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}