CVE-2021-38000

Estado: AnalizadaMedia (6.1)⚠ Explotación activa

La comprobación insuficiente de entradas no confiables en Intents en Google Chrome en Android versiones anteriores a 95.0.4638.69, permitía a un atacante remoto navegar arbitrariamente a una URL maliciosa por medio de una página HTML diseñada

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Puntuación base: 6.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 4.95%
Percentil entre todas las CVEs puntuadas: 92
Fecha de la puntuación: 8/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 3/11/2021
Plazo de remediación: 17/11/2021
Uso conocido en ransomware: Unknown

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %

CVE en Chrome Android con AV:N, UI:R permite redirigir a URL maliciosa mediante HTML crafted. T1203 por interacción del usuario (click en página HTML). T1189 como impacto principal (drive-by en navegador); T1566.002 secundario si se distribuye por email.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Application Isolation and Sandboxing Exploit Protection Update Software

Tecnologías afectadas (3)

Debian — Debian Linux Fedoraproject — Fedora Google — Chrome

CWE

CWE-601
CWE-20, CWE-601

Referencias

JSON original (NVD)

Mostrar

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