{
    "id": "CVE-2020-20276",
    "published": "2020-12-18 19:15:14",
    "last_modified": "2026-06-17 03:02:56",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-787",
    "description": "An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.",
    "epss_score": "0.03432",
    "epss_percentile": "0.88628",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 18:17:25",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "troglobit",
            "product": "uftpd"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://arinerron.com/blog/posts/6",
        "https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd",
        "https://arinerron.com/blog/posts/6",
        "https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd"
    ]
}