{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-33571",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
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                                "product_name": "n/a",
                                "version": {
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                                            "version_value": "n/a"
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    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) ."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
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                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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        "reference_data": [
            {
                "url": "https://docs.djangoproject.com/en/3.2/releases/security/",
                "refsource": "MISC",
                "name": "https://docs.djangoproject.com/en/3.2/releases/security/"
            },
            {
                "refsource": "MISC",
                "name": "https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo",
                "url": "https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.djangoproject.com/weblog/2021/jun/02/security-releases/",
                "url": "https://www.djangoproject.com/weblog/2021/jun/02/security-releases/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210727-0004/",
                "url": "https://security.netapp.com/advisory/ntap-20210727-0004/"
            }
        ]
    }
}