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CVE-2021-21147

Estado: ModificadaMedia (4.3)—

La implementación inapropiada en Skia en Google Chrome versiones anteriores a 88.0.4324.146, permitía a un atacante local falsificar el contenido del Omnibox (barra de URL) 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 (2)

Fedoraproject — FedoraGoogle — Chrome

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-21147",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "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
      }
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/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"
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        "impactScore": 1.4,
        "exploitabilityScore": 2.8
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  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
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  "published": "2021-02-09T15:15:13.813",
  "references": [
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      "url": "https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
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    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/202104-08",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Inappropriate implementation in Skia in Google Chrome prior to 88.0.4324.146 allowed a local attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "La implementación inapropiada en Skia en Google Chrome versiones anteriores a 88.0.4324.146, permitía a un atacante local falsificar el contenido del Omnibox (barra de URL) por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T03:34:54.737",
  "configurations": [
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              "versionEndExcluding": "88.0.4324.146"
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}