{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-21974",
        "ASSIGNER": "security@vmware.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "VMware ESXi",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "7.0 before ESXi70U1c-17325551"
                                        },
                                        {
                                            "version_value": "6.7 before ESXi670-202102401-SG"
                                        },
                                        {
                                            "version_value": "6.5 before ESXi650-202102101-SG"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "VMware Cloud Foundation",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.x before 4.2 and 3.x"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "OpenSLP heap-overflow vulnerability"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://www.vmware.com/security/advisories/VMSA-2021-0002.html",
                "url": "https://www.vmware.com/security/advisories/VMSA-2021-0002.html"
            },
            {
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-250/",
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-250/"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/162957/VMware-ESXi-OpenSLP-Heap-Overflow.html",
                "url": "http://packetstormsecurity.com/files/162957/VMware-ESXi-OpenSLP-Heap-Overflow.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution."
            }
        ]
    }
}