{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-9991",
        "ASSIGNER": "product-security@apple.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Apple",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "tvOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "14.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "watchOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "7.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "iCloud for Windows",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "7.21"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "iOS and iPadOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "14.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "macOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "11.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "macOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "11.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "A remote attacker may be able to cause a denial of service"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT211846",
                "url": "https://support.apple.com/kb/HT211846"
            },
            {
                "refsource": "MISC",
                "url": "https://support.apple.com/en-us/HT211843",
                "name": "https://support.apple.com/en-us/HT211843"
            },
            {
                "refsource": "MISC",
                "url": "https://support.apple.com/en-us/HT211850",
                "name": "https://support.apple.com/en-us/HT211850"
            },
            {
                "refsource": "MISC",
                "url": "https://support.apple.com/en-us/HT211844",
                "name": "https://support.apple.com/en-us/HT211844"
            },
            {
                "refsource": "MISC",
                "url": "https://support.apple.com/en-us/HT211931",
                "name": "https://support.apple.com/en-us/HT211931"
            },
            {
                "refsource": "MISC",
                "url": "https://support.apple.com/en-us/HT211847",
                "name": "https://support.apple.com/en-us/HT211847"
            },
            {
                "refsource": "FULLDISC",
                "name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1",
                "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
            },
            {
                "refsource": "MLIST",
                "name": "[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar",
                "url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service."
            }
        ]
    }
}