CVE-2021-30855

Estado: ModificadaMedia (5.5)—
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Puntuación base: 5.5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.40%
Percentil entre todas las CVEs puntuadas: 83
Fecha de la puntuación: 7/10/2026
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 (6)

Apple — Ipados Apple — Iphone OS Apple — MAC OS X Apple — Macos Apple — Tvos Apple — Watchos
CWE

CWE-59
Referencias

JSON original (NVD)

Mostrar
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
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