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CVE-2021-30578

Estado: ModificadaAlta (8.8)—

Un uso no Inicializado en Media en Google Chrome anterior a versión 92.0.4515.107, permitía a un atacante remoto llevar a cabo un acceso a la memoria fuera de límites 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-2021-30578",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "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
      }
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          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
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      "affectedData": [
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          "vendor": "Google",
          "product": "Chrome",
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              "version": "unspecified",
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  "published": "2021-08-03T20:15:09.017",
  "references": [
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      "url": "https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html",
      "tags": [
        "Vendor Advisory"
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      "source": "chrome-cve-admin@google.com"
    },
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        "Issue Tracking",
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    },
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      "source": "chrome-cve-admin@google.com"
    },
    {
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      "source": "chrome-cve-admin@google.com"
    },
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      "tags": [
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    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Uninitialized use in Media in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "Un uso no Inicializado en Media en Google Chrome anterior a versión 92.0.4515.107, permitía a un atacante remoto llevar a cabo un acceso a la memoria fuera de límites por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T03:50:30.013",
  "configurations": [
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      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}