CVE-2016-2831

Estado: ModificadaAlta (8.8)—
Mozilla Firefox en versiones anteriores a 47.0 y Firefox ESR 45.x en versiones anteriores a 45.2 no asegura que el usuario apruebe los ajustes de pantalla completa y pointerlock, lo que permite a atacantes remotos provocar una denegación de servicio (interrupción de UI), o llevar a cabo ataques de clickjacking o de suplantación, a través de un sitio web manipulado.
CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
Puntuación base: 8.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.35%
Percentil entre todas las CVEs puntuadas: 71
Fecha de la puntuación: 10/10/2026
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).
Tecnologías afectadas (5)

Canonical — Ubuntu Linux Debian — Debian Linux Mozilla — Firefox Opensuse — Leap Opensuse — Opensuse
CWE

CWE-254, CWE-284
Referencias

JSON original (NVD)

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  "id": "CVE-2016-2831",
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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
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    },
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      "value": "Mozilla Firefox en versiones anteriores a 47.0 y Firefox ESR 45.x en versiones anteriores a 45.2 no asegura que el usuario apruebe los ajustes de pantalla completa y pointerlock, lo que permite a atacantes remotos provocar una denegación de servicio (interrupción de UI), o llevar a cabo ataques de clickjacking o de suplantación, a través de un sitio web manipulado."
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  "lastModified": "2026-06-17T00:44:32.847",
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