{
    "id": "CVE-2007-4440",
    "published": "2007-08-21 00:17:00",
    "last_modified": "2026-06-16 22:44:06",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-119",
    "description": "Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.",
    "epss_score": "0.64513",
    "epss_percentile": "0.99215",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:06",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "pmail",
            "product": "mercury_mail_transport_system"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "16821",
            "title": "Mercury/32 Mail SMTPD - AUTH CRAM-MD5 Buffer Overflow (Metasploit)",
            "date": "2010-06-22",
            "url": "https://www.exploit-db.com/exploits/16821"
        },
        {
            "source": "exploit-db",
            "ref_id": "4301",
            "title": "Mercury/32 Mail SMTPD 4.51 - SMTPD CRAM-MD5 Remote Overflow",
            "date": "2007-08-22",
            "url": "https://www.exploit-db.com/exploits/4301"
        },
        {
            "source": "exploit-db",
            "ref_id": "4294",
            "title": "Mercury/32 Mail SMTPD - Remote Stack Overrun (PoC)",
            "date": "2007-08-18",
            "url": "https://www.exploit-db.com/exploits/4294"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/fulldisclosure/2007-08/0341.html",
        "http://secunia.com/advisories/26519",
        "http://www.pmail.com/m32_451.htm",
        "http://www.securityfocus.com/bid/25357",
        "http://www.securitytracker.com/id?1018587",
        "http://www.vupen.com/english/advisories/2007/2918",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/36117",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/36299",
        "https://www.exploit-db.com/exploits/4294",
        "http://archives.neohapsis.com/archives/fulldisclosure/2007-08/0341.html",
        "http://secunia.com/advisories/26519",
        "http://www.pmail.com/m32_451.htm",
        "http://www.securityfocus.com/bid/25357",
        "http://www.securitytracker.com/id?1018587",
        "http://www.vupen.com/english/advisories/2007/2918",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/36117",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/36299",
        "https://www.exploit-db.com/exploits/4294"
    ]
}