{
    "id": "CVE-2021-47667",
    "published": "2025-04-05 05:15:43",
    "last_modified": "2026-06-17 04:18:16",
    "cvss_score": "10.0",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "An OS command injection vulnerability in lib/NSSDropoff.php in ZendTo 5.24-3 through 6.x before 6.10-7 allows unauthenticated remote attackers to execute arbitrary commands via shell metacharacters in the tmp_name parameter when dropping off a file via a POST /dropoff request.",
    "epss_score": "0.36612",
    "epss_percentile": "0.98456",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-02 18:17:32",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 36.6% — above the 10% action threshold."
    },
    "products": [],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://projectblack.io/blog/zendto-nday-vulnerabilities/",
        "https://projectblack.io/blog/zendto-nday-vulnerabilities/"
    ]
}