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CVE-2018-20068

Estado: ModificadaMedia (4.3)—

La gestión incorrecta de los códigos de estado 304 en Navigation en Google Chrome en versiones anteriores a la 71.0.3578.80 permitía que un atacante remoto confundiese al usuario sobre el origen de la página actual mediante una página HTML manipulada.

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)

Google — Chrome

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-20068",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "71.0.3578.80",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-01-09T19:29:03.493",
  "references": [
    {
      "url": "https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://crbug.com/882270",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://crbug.com/882270",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect handling of 304 status codes in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to confuse the user about the origin of the current page via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "La gestión incorrecta de los códigos de estado 304 en Navigation en Google Chrome en versiones anteriores a la 71.0.3578.80 permitía que un atacante remoto confundiese al usuario sobre el origen de la página actual mediante una página HTML manipulada."
    }
  ],
  "lastModified": "2026-06-17T01:52:15.083",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CEC84646-AE0E-403B-903F-35E2D073FDC9",
              "versionEndExcluding": "71.0.3578.80"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "chrome-cve-admin@google.com"
}