{
    "id": "CVE-2020-28169",
    "published": "2020-12-24 15:15:12",
    "last_modified": "2026-06-17 03:10:09",
    "cvss_score": "7.0",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-732",
    "description": "The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\\SYSTEM.",
    "epss_score": "0.01171",
    "epss_percentile": "0.66567",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-12 18:17:24",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "microsoft",
            "product": "windows"
        },
        {
            "vendor": "td-agent-builder_project",
            "product": "td-agent-builder"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "49363",
            "title": "Fluentd TD-agent plugin 4.0.1 - Insecure Folder Permission",
            "date": "2021-01-05",
            "url": "https://www.exploit-db.com/exploits/49363"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html",
        "https://docs.fluentd.org/installation/install-by-msi",
        "https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1",
        "https://github.com/fluent/fluentd/issues/3201",
        "https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938",
        "https://td-agent-package-browser.herokuapp.com/4/windows",
        "https://www.debian.org/security/2021/dsa-4949",
        "https://www.fluentd.org/",
        "http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html",
        "https://docs.fluentd.org/installation/install-by-msi",
        "https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1",
        "https://github.com/fluent/fluentd/issues/3201",
        "https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938",
        "https://td-agent-package-browser.herokuapp.com/4/windows",
        "https://www.debian.org/security/2021/dsa-4949",
        "https://www.fluentd.org/"
    ]
}