{
    "id": "CVE-2021-3239",
    "published": "2021-02-15 21:15:13",
    "last_modified": "2026-06-17 04:04:50",
    "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-89",
    "description": "E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.",
    "epss_score": "0.18393",
    "epss_percentile": "0.97155",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:30",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 18.4% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "e-learning_system_project",
            "product": "e-learning_system"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/TCSWT/E-Learning-System/blob/main/README.md",
        "https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821",
        "https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html",
        "https://www.exploit-db.com/exploits/49434",
        "https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html",
        "https://github.com/TCSWT/E-Learning-System/blob/main/README.md",
        "https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821",
        "https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html",
        "https://www.exploit-db.com/exploits/49434",
        "https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html"
    ]
}