{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-20181",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-367->CWE-416",
                        "cweId": "CWE-367"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "qemu",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "up to, including 5.2.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1927007",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1927007"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
            },
            {
                "url": "https://security.netapp.com/advisory/ntap-20210720-0009/",
                "refsource": "MISC",
                "name": "https://security.netapp.com/advisory/ntap-20210720-0009/"
            },
            {
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-159/",
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-159/"
            }
        ]
    }
}