{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-25613",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
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                        "product_data": [
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                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
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                                            "version_value": "n/a"
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    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
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                "description": [
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                        "lang": "eng",
                        "value": "n/a"
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        "reference_data": [
            {
                "url": "https://hackerone.com/reports/965267",
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/965267"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.ruby-lang.org/en/news/2020/09/29/http-request-smuggling-cve-2020-25613/",
                "url": "https://www.ruby-lang.org/en/news/2020/09/29/http-request-smuggling-cve-2020-25613/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/ruby/webrick/commit/8946bb38b4d87549f0d99ed73c62c41933f97cc7",
                "url": "https://github.com/ruby/webrick/commit/8946bb38b4d87549f0d99ed73c62c41933f97cc7"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-02ca18c2a0",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PFP3E7KXXT3H3KA6CBZPUOGA5VPFARRJ/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-fe2a7d7390",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTZURYROG3FFED3TYCQOBV66BS4K6WOV/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210115-0008/",
                "url": "https://security.netapp.com/advisory/ntap-20210115-0008/"
            },
            {
                "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"
            }
        ]
    }
}