« Volver al listado

CVE-2020-9844

Estado: ModificadaAlta (7.5)—

Se abordó un problema doble liberación con una administración de la memoria mejorada. Este problema es corregido en iOS versión 13.5 y iPadOS versión 13.5, macOS Catalina versión 10.15.5. Un atacante remoto puede ser capaz de causar la finalización inesperada del sistema o una corrupción de la memoria del kernel

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 (3)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-9844",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iOS 13.5 and iPadOS 13.5",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "macOS Catalina 10.15.5",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-06-09T17:15:14.940",
  "references": [
    {
      "url": "https://support.apple.com/HT211168",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT211170",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT211168",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT211170",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema doble liberación con una administración de la memoria mejorada. Este problema es corregido en iOS versión 13.5 y iPadOS versión 13.5, macOS Catalina versión 10.15.5. Un atacante remoto puede ser capaz de causar la finalización inesperada del sistema o una corrupción de la memoria del kernel"
    }
  ],
  "lastModified": "2026-06-17T03:28:40.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9145C3CB-429B-4FB8-A0AC-B543E9FFF938",
              "versionEndExcluding": "13.5"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9C09256B-04A9-4D08-A791-8022B5AC5B14",
              "versionEndExcluding": "13.5"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "760AE295-2E39-4DA3-A384-01A5D4A131AD",
              "versionEndExcluding": "10.13.6",
              "versionStartIncluding": "10.13"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6DE2B03F-94EE-4E32-B366-FE31A7031403",
              "versionEndExcluding": "10.14.6",
              "versionStartIncluding": "10.14"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ABAA703D-5FAB-4773-B4A2-759685B17ACB",
              "versionEndExcluding": "10.15.5",
              "versionStartIncluding": "10.15"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "297D2D0C-EA9D-4B2C-9357-D88DB6C7143A"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0D845143-1B4D-478B-B83E-8F1664CBCAC3"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23C6DF6A-9A30-4F9E-BD9C-C19D8551C6DA"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "754A2DF4-8724-4448-A2AB-AC5442029CB7"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D392C777-1949-4920-B459-D083228E4688"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "68B0A232-F2A4-4B87-99EB-3A532DFA87DA"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DF528F7-0F1E-4E55-A088-91327E3C360C"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E222445A-D398-47C8-9639-4BAE36B69AA1"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9425DAC8-038D-4B09-A074-3780AED912FA"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8EA63C1C-1EEC-4961-A7B7-439D21293B99"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B2F5D631-2306-4526-BEE5-22456D95ABAB"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F79B7361-F2F2-4FA6-A27D-CC8F2D37A726"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CFE26ECC-A2C2-4501-9950-510DE0E1BD86"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "26108BEF-0847-4AB0-BD98-35344DFA7835"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}