CVE-2019-8720
Estado: AnalizadaAlta (8.8)⚠ Explotación activa
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.56%
- Percentil entre todas las CVEs puntuadas: 74
- Fecha de la puntuación: 1/10/2026
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: 23/5/2022
- Plazo de remediación: 13/6/2022
- 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.
- Explotación
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1059Command and Scripting Interpreterexecution80 %
WebKit procesa contenido web malicioso (UI:R) causando corrupción de memoria (CWE-119) que permite ejecución arbitraria de código. Vector AV:N con interacción del usuario indica T1203.
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
Tecnologías afectadas (23)
Redhat — Codeready Linux BuilderRedhat — Codeready Linux Builder EUSRedhat — Codeready Linux Builder FOR Arm64 EUSRedhat — Codeready Linux Builder FOR IBM Z Systems EUSRedhat — Codeready Linux Builder FOR Power Little Endian EUSRedhat — Enterprise LinuxRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux EUSRedhat — Enterprise Linux FOR Arm64 EUSRedhat — Enterprise Linux FOR IBM Z SystemsRedhat — Enterprise Linux FOR IBM Z Systems EUSRedhat — Enterprise Linux FOR Power BIG EndianRedhat — Enterprise Linux FOR Power Little EndianRedhat — Enterprise Linux FOR Power Little Endian EUSRedhat — Enterprise Linux FOR Scientific ComputingRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Server AUSRedhat — Enterprise Linux Server FOR Power Little Endian Update Services FOR SAP SolutionsRedhat — Enterprise Linux Server TUSRedhat — Enterprise Linux Server Update Services FOR SAP SolutionsRedhat — Enterprise Linux WorkstationWebkitgtk — WebkitgtkWpewebkit — WPE Webkit
CWE
- CWE-119
- CWE-119
- CWE-119
Referencias
JSON original (NVD)
Mostrar
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