{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-1747",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Red Hat",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "PyYAML",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "5.3.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-40c35d7b37",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WORRFHPQVAFKKXXWLSSW6XKUYLWM6CSH/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-bdb0bfa928",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZBJA3SGNJKCAYPSHOHWY3KBCWNM5NYK2/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-e9741a6a15",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K5HEPD7LEVDPCITY5IMDYWXUMX37VFMY/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0507",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00017.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:0630",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00017.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-3342569a0f",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MMQXSZXNJT6ERABJZAAICI3DQSQLCP3D/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-eed7193502",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7PPAS6C4SZRDQLR7C22A5U3QOLXY33JX/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujul2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujul2022.html"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1747",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1747",
                "refsource": "CONFIRM"
            },
            {
                "url": "https://github.com/yaml/pyyaml/pull/386",
                "name": "https://github.com/yaml/pyyaml/pull/386",
                "refsource": "MISC"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor."
            }
        ]
    },
    "impact": {
        "cvss": [
            [
                {
                    "vectorString": "9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "version": "3.0"
                }
            ]
        ]
    }
}