{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-32066",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
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                    "vendor_name": "n/a"
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    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
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        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://hackerone.com/reports/1178562",
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/1178562"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuapr2022.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210902-0004/",
                "url": "https://security.netapp.com/advisory/ntap-20210902-0004/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/",
                "url": "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a",
                "url": "https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update",
                "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202401-27",
                "url": "https://security.gentoo.org/glsa/202401-27"
            }
        ]
    }
}