FKIE_CVE-2020-27942

Vulnerability from fkie_nvd - Published: 2021-09-08 15:15 - Updated: 2026-06-17 03:09
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing a maliciously crafted font file may lead to arbitrary code execution.
References
product-security@apple.comhttps://support.apple.com/en-us/HT212326Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212327Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212326Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212327Vendor Advisory
Impacted products
Vendor Product Version
apple mac_os_x *
apple mac_os_x *
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.15.6
apple mac_os_x 10.15.6
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Security Update - Catalina",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2021",
              "status": "affected",
              "version": "unspecified",
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            }
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        }
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    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing a maliciously crafted font file may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema l\u00f3gico con una administraci\u00f3n de estado mejorada. Este problema se corrigi\u00f3 en Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. El procesamiento de un archivo de fuentes dise\u00f1ado maliciosamente puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitrario"
    }
  ],
  "id": "CVE-2020-27942",
  "lastModified": "2026-06-17T03:09:54.797",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-08T15:15:09.050",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212326"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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      "url": "https://support.apple.com/en-us/HT212327"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://support.apple.com/en-us/HT212326"
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    {
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      "tags": [
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      "url": "https://support.apple.com/en-us/HT212327"
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  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.