{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-3716",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "nbdkit",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Affects nbdkit v1.12 through v1.26.4 | Fixedin nbdkit v1.26.5"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-924"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://www.openwall.com/lists/oss-security/2021/08/18/2",
                "url": "https://www.openwall.com/lists/oss-security/2021/08/18/2"
            },
            {
                "refsource": "MISC",
                "name": "https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html",
                "url": "https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html"
            },
            {
                "refsource": "MISC",
                "name": "https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd",
                "url": "https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd"
            },
            {
                "refsource": "MISC",
                "name": "https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8",
                "url": "https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8"
            },
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1994695",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1994695"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability."
            }
        ]
    }
}