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CVE-2021-21169

Estado: ModificadaAlta (8.8)—

Un acceso a la memoria fuera de límites en V8 en Google Chrome versiones anteriores a 89.0.4389.72, permitió a un atacante remoto llevar a cabo potencialmente 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 (3)

Debian — Debian LinuxFedoraproject — FedoraGoogle — Chrome

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21169",
  "cveTags": [],
  "metrics": {
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        "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
      }
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          "scope": "UNCHANGED",
          "version": "3.1",
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          "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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      "source": "chrome-cve-admin@google.com",
      "affectedData": [
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          "vendor": "Google",
          "product": "Chrome",
          "versions": [
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              "version": "unspecified",
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              "versionType": "custom"
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  "published": "2021-03-09T18:15:16.517",
  "references": [
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      "url": "https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html",
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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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      "source": "chrome-cve-admin@google.com"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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    },
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      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out of bounds memory access in V8 in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "Un acceso a la memoria fuera de límites en V8 en Google Chrome versiones anteriores a 89.0.4389.72, permitió a un atacante remoto llevar a cabo potencialmente un acceso a la memoria fuera de límites por medio de una página HTML diseñada"
    }
  ],
  "lastModified": "2026-06-17T03:34:57.500",
  "configurations": [
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}