CVE-2020-36521

Estado: ModificadaAlta (7.1)—
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iCloud for Windows 11.4, iOS 14.0 and iPadOS 14.0, watchOS 7.0, tvOS 14.0, iCloud for Windows 7.21, iTunes for Windows 12.10.9. Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Puntuación base: 7.1
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.44%
Percentil entre todas las CVEs puntuadas: 36
Fecha de la puntuación: 6/10/2026
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 (7)

Apple — Icloud Apple — Ipados Apple — Iphone OS Apple — Itunes Apple — Macos Apple — Tvos Apple — Watchos
CWE

CWE-125
CWE-125
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-36521",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-36521",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-22T15:33:51.276210Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      },
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  "published": "2022-09-23T19:15:10.383",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
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          "value": "CWE-125"
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    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "value": "CWE-125"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in iCloud for Windows 11.4, iOS 14.0 and iPadOS 14.0, watchOS 7.0, tvOS 14.0, iCloud for Windows 7.21, iTunes for Windows 12.10.9. Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents."
    },
    {
      "lang": "es",
      "value": "Se abordó una lectura fuera de límites con una comprobación de entrada mejorada. Este problema ha sido corregido en iCloud para Windows versión 11.4, iOS versión 14.0 y iPadOS versión 14.0, watchOS versión 7.0, tvOS versión 14.0, iCloud para Windows versión 7.21, iTunes para Windows versión 12.10.9. El procesamiento de un archivo tiff diseñado de forma maliciosa puede conllevar una denegación de servicio o divulgar potencialmente el contenido de la memoria.\n"
    }
  ],
  "lastModified": "2026-06-17T03:15:38.650",
  "configurations": [
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}