{
    "id": "CVE-2009-4114",
    "published": "2009-11-30 21:30:00",
    "last_modified": "2026-06-16 23:13:04",
    "cvss_score": "4.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-20",
    "description": "kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of service (system crash) via IOCTL requests using crafted kernel addresses that trigger memory corruption, possibly related to klavemu.kdl.",
    "epss_score": "0.00834",
    "epss_percentile": "0.56561",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-13 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "kaspersky",
            "product": "kaspersky_anti-virus"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "10164",
            "title": "Kaspersky AV 2010 9.0.0.463 - Local Denial of Service",
            "date": "2009-09-29",
            "url": "https://www.exploit-db.com/exploits/10164"
        }
    ],
    "refs_list": [
        "http://osvdb.org/60207",
        "http://secunia.com/advisories/37398",
        "http://sysdream.com/article.php?story_id=323&section_id=78",
        "http://www.securityfocus.com/archive/1/507933/100/0/threaded",
        "http://www.securityfocus.com/bid/37044",
        "http://www.securitytracker.com/id?1023198",
        "http://www.vupen.com/english/advisories/2009/3286",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/54309",
        "http://osvdb.org/60207",
        "http://secunia.com/advisories/37398",
        "http://sysdream.com/article.php?story_id=323&section_id=78",
        "http://www.securityfocus.com/archive/1/507933/100/0/threaded",
        "http://www.securityfocus.com/bid/37044",
        "http://www.securitytracker.com/id?1023198",
        "http://www.vupen.com/english/advisories/2009/3286",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/54309"
    ]
}