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CVE-2021-21175

Estado: ModificadaMedia (6.5)—

Una implementación inapropiada en Site isolation en Google Chrome versiones anteriores a 89.0.4389.72, permitió a un atacante remoto filtrar datos de origen cruzado por medio de una página HTML diseñada

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 (3)

Debian — Debian LinuxFedoraproject — FedoraGoogle — Chrome

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21175",
  "cveTags": [],
  "metrics": {
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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"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
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              "version": "unspecified",
              "lessThan": "89.0.4389.72",
              "versionType": "custom"
            }
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  "published": "2021-03-09T18:15:16.937",
  "references": [
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      "url": "https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html",
      "tags": [
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        "Vendor Advisory"
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    },
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      "source": "chrome-cve-admin@google.com"
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    {
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      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/202104-08",
      "tags": [
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      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://www.debian.org/security/2021/dsa-4886",
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      "source": "chrome-cve-admin@google.com"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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    },
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    },
    {
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    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2021/dsa-4886",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Inappropriate implementation in Site isolation in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "Una implementación inapropiada en Site isolation en Google Chrome versiones anteriores a 89.0.4389.72, permitió a un atacante remoto filtrar datos de origen cruzado por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T03:34:58.240",
  "configurations": [
    {
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        {
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}