{
    "id": "CVE-2009-3111",
    "published": "2009-09-09 18:30:00",
    "last_modified": "2026-06-16 23:10:58",
    "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": null,
    "description": "The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length Tunnel-Password attributes, as demonstrated by a certain module in VulnDisco Pack Professional 7.6 through 8.11.  NOTE: this is a regression error related to CVE-2003-0967.",
    "epss_score": "0.11176",
    "epss_percentile": "0.95813",
    "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": "freeradius",
            "product": "freeradius"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "9642",
            "title": "FreeRadius < 1.1.8 - Zero-Length Tunnel-Password Denial of Service",
            "date": "2009-09-11",
            "url": "https://www.exploit-db.com/exploits/9642"
        }
    ],
    "refs_list": [
        "http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344edb0038419e415fe05a9a01f4",
        "http://intevydis.com/vd-list.shtml",
        "http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html",
        "http://secunia.com/advisories/36509",
        "http://support.apple.com/kb/HT3937",
        "http://www.openwall.com/lists/oss-security/2009/09/09/1",
        "http://www.redhat.com/support/errata/RHSA-2009-1451.html",
        "http://www.securityfocus.com/bid/36263",
        "http://www.vupen.com/english/advisories/2009/3184",
        "https://lists.freeradius.org/pipermail/freeradius-users/2009-September/msg00242.html",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9919",
        "http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344edb0038419e415fe05a9a01f4",
        "http://intevydis.com/vd-list.shtml",
        "http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html",
        "http://secunia.com/advisories/36509",
        "http://support.apple.com/kb/HT3937",
        "http://www.openwall.com/lists/oss-security/2009/09/09/1",
        "http://www.redhat.com/support/errata/RHSA-2009-1451.html",
        "http://www.securityfocus.com/bid/36263",
        "http://www.vupen.com/english/advisories/2009/3184",
        "https://lists.freeradius.org/pipermail/freeradius-users/2009-September/msg00242.html"
    ]
}