CVE-2021-30720

Estado: ModificadaMedia (5.4)—

A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Puntuación base: 5.4

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.37%
Percentil entre todas las CVEs puntuadas: 71
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 — Macos Apple — Safari Apple — Tvos Apple — Watchos

CWE

CWE-287

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2021-30720",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 4.9,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
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  "affected": [
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      "affectedData": [
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  "published": "2021-09-08T14:15:08.600",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
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      "value": "A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema lógico con restricciones mejoradas. Este problema se corrigió en tvOS versión 14.6, iOS versión 14.6 e iPadOS versión 14.6, Safari versión 14.1.1, macOS Big Sur versión 11.4, watchOS versión 7.5. Un sitio web malicioso podría acceder a puertos restringidos en servidores arbitrarios"
    }
  ],
  "lastModified": "2026-06-17T03:50:45.563",
  "configurations": [
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}