fkie_cve-2020-27950
Vulnerability from fkie_nvd
Published
2020-12-08 21:15
Modified
2025-10-27 17:38
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.
References
product-security@apple.comhttp://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.htmlThird Party Advisory, VDB Entry
product-security@apple.comhttp://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211928Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211929Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211931Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211940Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211944Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211945Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211946Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT211947Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211928Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211929Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211931Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211940Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211944Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211945Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211946Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211947Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-27950US Government Resource
Impacted products
Vendor Product Version
apple ipados *
apple iphone_os *
apple iphone_os *
apple macos *
apple macos *
apple watchos *
apple watchos *
apple watchos *


To clipboard 

{
  "cisaActionDue": "2022-05-03",
  "cisaExploitAdd": "2021-11-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Apple Multiple Products Memory Initialization Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8768B67A-43ED-4726-A99F-A0A57A9A2CEC",
              "versionEndExcluding": "14.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "778712BB-D27F-4B41-9B79-7C896B7B1E08",
              "versionEndExcluding": "12.4.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1DAFF28B-980D-4D09-BD3B-FC3F14B4BA49",
              "versionEndExcluding": "14.2",
              "versionStartIncluding": "14.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3BD2A211-4E62-40BF-9BA0-5239FA6F0AF8",
              "versionEndExcluding": "10.15.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "76BFC9D4-7D15-4C23-A54A-3F5A0B8BC542",
              "versionEndExcluding": "11.0.1",
              "versionStartIncluding": "11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B9007C2C-CE11-4D30-9BE1-7FD4B2687B41",
              "versionEndExcluding": "5.3.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0199758F-1C5B-4462-8F81-A9805147FC7D",
              "versionEndExcluding": "6.2.9",
              "versionStartIncluding": "6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3877CFE3-88D5-429F-87AA-69AA49A8C5DF",
              "versionEndExcluding": "7.1",
              "versionStartIncluding": "7.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema de inicializaci\u00f3n de la memoria.\u0026#xa0;Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.0.1, watchOS versi\u00f3n 7.1, iOS versi\u00f3n 12.4.9, watchOS versi\u00f3n 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS versi\u00f3n 14.2 y iPadOS versi\u00f3n 14.2, watchOS versi\u00f3n 5.3.9, macOS Catalina versi\u00f3n 10.15.7 Supplemental Update, macOS Catalina versi\u00f3n 10.15.7 Update.\u0026#xa0;Una aplicaci\u00f3n maliciosa puede ser capaz de revelar la memoria del kernel"
    }
  ],
  "id": "CVE-2020-27950",
  "lastModified": "2025-10-27T17:38:39.557",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.1,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2020-12-08T21:15:13.967",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT211928"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT211929"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT211931"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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      "url": "https://support.apple.com/en-us/HT211940"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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      ],
      "url": "https://support.apple.com/en-us/HT211944"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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      ],
      "url": "https://support.apple.com/en-us/HT211945"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT211946"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT211947"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://support.apple.com/en-us/HT211928"
    },
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      "url": "https://support.apple.com/en-us/HT211929"
    },
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      "tags": [
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      "url": "https://support.apple.com/en-us/HT211931"
    },
    {
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      "url": "https://support.apple.com/en-us/HT211940"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://support.apple.com/en-us/HT211945"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
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      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-27950"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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