{
    "id": "CVE-2021-33191",
    "published": "2021-08-24 12:15:07",
    "last_modified": "2026-06-17 03:54:19",
    "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-78",
    "description": "From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol implements an \"agent-update\" command which was designed to patch the application binary. This \"patching\" command defaults to calling a trusted binary, but might be modified to an arbitrary value through a \"c2-update\" command. Said command is then executed using the same privileges as the application binary. This was addressed in version 0.10.0",
    "epss_score": "0.04024",
    "epss_percentile": "0.90322",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:28",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "nifi_minifi_c\\+\\+"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2021/08/24/1",
        "https://lists.apache.org/thread.html/r6f27a2454f5f67dbe4e21c8eb1db537b01863a0bc3758f28aa60f032%40%3Cannounce.apache.org%3E",
        "https://www.openwall.com/lists/oss-security/2021/08/24/1",
        "http://www.openwall.com/lists/oss-security/2021/08/24/1",
        "https://lists.apache.org/thread.html/r6f27a2454f5f67dbe4e21c8eb1db537b01863a0bc3758f28aa60f032%40%3Cannounce.apache.org%3E",
        "https://www.openwall.com/lists/oss-security/2021/08/24/1"
    ]
}