{
    "id": "CVE-2021-3317",
    "published": "2021-01-26 23:15:13",
    "last_modified": "2026-06-17 04:04:55",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "KLog Server through 2.4.1 allows authenticated command injection. async.php calls shell_exec() on the original value of the source parameter.",
    "epss_score": "0.41394",
    "epss_percentile": "0.98630",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:26:59",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "klogserver",
            "product": "klog_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "49511",
            "title": "Klog Server 2.4.1 - Command Injection (Authenticated)",
            "date": "2021-02-01",
            "url": "https://www.exploit-db.com/exploits/49511"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/161208/Klog-Server-2.4.1-Command-Injection.html",
        "https://docs.unsafe-inline.com/0day/klog-server-authenticated-command-injection",
        "http://packetstormsecurity.com/files/161208/Klog-Server-2.4.1-Command-Injection.html",
        "https://docs.unsafe-inline.com/0day/klog-server-authenticated-command-injection"
    ]
}