{
    "id": "CVE-2009-1902",
    "published": "2009-06-03 17:00:00",
    "last_modified": "2026-06-16 23:08:19",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-476",
    "description": "The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.",
    "epss_score": "0.13735",
    "epss_percentile": "0.96382",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "trustwave",
            "product": "modsecurity"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8241",
            "title": "ModSecurity < 2.5.9 - Remote Denial of Service",
            "date": "2009-03-19",
            "url": "https://www.exploit-db.com/exploits/8241"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html",
        "http://secunia.com/advisories/34256",
        "http://secunia.com/advisories/34311",
        "http://secunia.com/advisories/35687",
        "http://security.gentoo.org/glsa/glsa-200907-02.xml",
        "http://sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846",
        "http://www.osvdb.org/52553",
        "http://www.securityfocus.com/archive/1/501968",
        "http://www.securityfocus.com/bid/34096",
        "http://www.vupen.com/english/advisories/2009/0703",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49212",
        "https://www.exploit-db.com/exploits/8241",
        "https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html",
        "http://secunia.com/advisories/34256",
        "http://secunia.com/advisories/34311",
        "http://secunia.com/advisories/35687",
        "http://security.gentoo.org/glsa/glsa-200907-02.xml",
        "http://sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846",
        "http://www.osvdb.org/52553",
        "http://www.securityfocus.com/archive/1/501968",
        "http://www.securityfocus.com/bid/34096",
        "http://www.vupen.com/english/advisories/2009/0703",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/49212"
    ]
}