{
    "id": "CVE-2008-3263",
    "published": "2008-07-22 23:41:00",
    "last_modified": "2026-06-16 22:55:29",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-399",
    "description": "The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.",
    "epss_score": "0.28000",
    "epss_percentile": "0.98046",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:07",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "asterisk",
            "product": "asterisk"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32095",
            "title": "Asterisk 1.6 IAX - 'POKE' Requests Remote Denial of Service",
            "date": "2008-07-21",
            "url": "https://www.exploit-db.com/exploits/32095"
        }
    ],
    "refs_list": [
        "http://downloads.digium.com/pub/security/AST-2008-010.html",
        "http://downloads.securityfocus.com/vulnerabilities/exploits/30321.pl",
        "http://secunia.com/advisories/31178",
        "http://secunia.com/advisories/31194",
        "http://secunia.com/advisories/34982",
        "http://security.gentoo.org/glsa/glsa-200905-01.xml",
        "http://www.securityfocus.com/archive/1/494675/100/0/threaded",
        "http://www.securityfocus.com/bid/30321",
        "http://www.securitytracker.com/id?1020535",
        "http://www.vupen.com/english/advisories/2008/2168/references",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/43942",
        "https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00839.html",
        "http://downloads.digium.com/pub/security/AST-2008-010.html",
        "http://downloads.securityfocus.com/vulnerabilities/exploits/30321.pl",
        "http://secunia.com/advisories/31178",
        "http://secunia.com/advisories/31194",
        "http://secunia.com/advisories/34982",
        "http://security.gentoo.org/glsa/glsa-200905-01.xml",
        "http://www.securityfocus.com/archive/1/494675/100/0/threaded",
        "http://www.securityfocus.com/bid/30321",
        "http://www.securitytracker.com/id?1020535",
        "http://www.vupen.com/english/advisories/2008/2168/references",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/43942",
        "https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00839.html"
    ]
}