{
    "id": "CVE-2008-1501",
    "published": "2008-03-25 19:44:00",
    "last_modified": "2026-06-16 22:51:52",
    "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 send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.",
    "epss_score": "0.05247",
    "epss_percentile": "0.92284",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "ircu",
            "product": "ircu"
        },
        {
            "vendor": "quakenet",
            "product": "snircd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "5306",
            "title": "Snircd 1.3.4 - 'send_user_mode' Denial of Service",
            "date": "2008-03-24",
            "url": "https://www.exploit-db.com/exploits/5306"
        }
    ],
    "refs_list": [
        "http://hg.quakenet.org/snircd/rev/2da2b881d9f5",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2008-March/060906.html",
        "http://osvdb.org/43613",
        "http://secunia.com/advisories/29481",
        "http://secunia.com/advisories/29486",
        "http://securityreason.com/securityalert/3779",
        "http://www.securityfocus.com/archive/1/489990/100/0/threaded",
        "http://www.securityfocus.com/bid/28413",
        "http://www.securitytracker.com/id?1019687",
        "http://www.securitytracker.com/id?1019688",
        "http://www.vupen.com/english/advisories/2008/0977",
        "http://www.vupen.com/english/advisories/2008/0978",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/41397",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/41401",
        "https://www.exploit-db.com/exploits/5306",
        "http://hg.quakenet.org/snircd/rev/2da2b881d9f5",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2008-March/060906.html",
        "http://osvdb.org/43613",
        "http://secunia.com/advisories/29481",
        "http://secunia.com/advisories/29486",
        "http://securityreason.com/securityalert/3779",
        "http://www.securityfocus.com/archive/1/489990/100/0/threaded",
        "http://www.securityfocus.com/bid/28413",
        "http://www.securitytracker.com/id?1019687",
        "http://www.securitytracker.com/id?1019688"
    ]
}