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CVE-2020-27944

Estado: ModificadaAlta (7.8)—

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS

Probabilidad de explotación (EPSS)

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)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-27944",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "14.3",
              "versionType": "custom"
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        },
        {
          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "14.3",
              "versionType": "custom"
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        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "7.2",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "11.1",
              "versionType": "custom"
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          ]
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  ],
  "published": "2021-04-02T18:15:16.577",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212003",
      "tags": [
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      "source": "product-security@apple.com"
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      "url": "https://support.apple.com/en-us/HT212005",
      "tags": [
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      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/HT212009",
      "tags": [
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      "source": "product-security@apple.com"
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    {
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      "tags": [
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      "source": "product-security@apple.com"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://support.apple.com/en-us/HT212009",
      "tags": [
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    },
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      "url": "https://support.apple.com/en-us/HT212011",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se presentó un problema de corrupción de memoria en un procesamiento de archivos de fuentes. Este problema es abordado con una comprobación de la entrada mejorada. Este problema es corregido en watchOS versión 7.2, macOS Big Sur versión 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS versión 14.3 y iPadOS versión 14.3, tvOS versión 14.3. El procesamiento de un archivo fuente diseñado maliciosamente puede conllevar a una ejecución de código arbitraria."
    }
  ],
  "lastModified": "2026-06-17T03:09:55.013",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "sourceIdentifier": "product-security@apple.com"
}