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CVE-2021-30602

Estado: ModificadaAlta (8.8)—

Un uso de memoria previamente liberada en WebRTC en Google Chrome versiones anteriores a 92.0.4515.159, permitió a un atacante que convenció a un usuario de visitar un sitio web malicioso explotar potencialmente la corrupción de la pila 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)

Mostrar
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  "id": "CVE-2021-30602",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website to potentially exploit heap corruption via a crafted HTML page."
    },
    {
      "lang": "es",
      "value": "Un uso de memoria previamente liberada en WebRTC en Google Chrome versiones anteriores a 92.0.4515.159, permitió a un atacante que convenció a un usuario de visitar un sitio web malicioso explotar potencialmente la corrupción de la pila por medio de una página HTML diseñada."
    }
  ],
  "lastModified": "2026-06-17T03:50:32.770",
  "configurations": [
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}