{
    "id": "CVE-2003-0466",
    "published": "2003-08-27 04:00:00",
    "last_modified": "2026-06-16 22:02:15",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-193",
    "description": "Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 through 2.6.2 via commands that cause pathnames of length MAXPATHLEN+1 to trigger a buffer overflow, including (1) STOR, (2) RETR, (3) APPE, (4) DELE, (5) MKD, (6) RMD, (7) STOU, or (8) RNTO.",
    "epss_score": "0.78115",
    "epss_percentile": "0.99564",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:14:14",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x_server"
        },
        {
            "vendor": "freebsd",
            "product": "freebsd"
        },
        {
            "vendor": "netbsd",
            "product": "netbsd"
        },
        {
            "vendor": "openbsd",
            "product": "openbsd"
        },
        {
            "vendor": "redhat",
            "product": "wu_ftpd"
        },
        {
            "vendor": "sun",
            "product": "solaris"
        },
        {
            "vendor": "wuftpd",
            "product": "wu-ftpd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "78",
            "title": "WU-FTPD 2.6.2 - Remote Command Execution",
            "date": "2003-08-11",
            "url": "https://www.exploit-db.com/exploits/78"
        },
        {
            "source": "exploit-db",
            "ref_id": "22975",
            "title": "WU-FTPD 2.6.0/2.6.1/2.6.2 - 'realpath()' Off-by-One Buffer Overflow",
            "date": "2003-08-06",
            "url": "https://www.exploit-db.com/exploits/22975"
        },
        {
            "source": "exploit-db",
            "ref_id": "74",
            "title": "WU-FTPD 2.6.2 - Off-by-One Remote Command Execution",
            "date": "2003-08-03",
            "url": "https://www.exploit-db.com/exploits/74"
        },
        {
            "source": "exploit-db",
            "ref_id": "22974",
            "title": "WU-FTPD 2.6.2 - 'realpath()' Off-by-One Buffer Overflow",
            "date": "2003-08-02",
            "url": "https://www.exploit-db.com/exploits/22974"
        },
        {
            "source": "exploit-db",
            "ref_id": "22976",
            "title": "FreeBSD 4.8 - 'realpath()' Off-by-One Buffer Overflow",
            "date": "2003-07-31",
            "url": "https://www.exploit-db.com/exploits/22976"
        }
    ],
    "refs_list": [
        "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-011.txt.asc",
        "http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.html",
        "http://download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01",
        "http://isec.pl/vulnerabilities/isec-0011-wu-ftpd.txt",
        "http://marc.info/?l=bugtraq&m=105967301604815&w=2",
        "http://marc.info/?l=bugtraq&m=106001410028809&w=2",
        "http://marc.info/?l=bugtraq&m=106001702232325&w=2",
        "http://marc.info/?l=bugtraq&m=106002488209129&w=2",
        "http://secunia.com/advisories/9423",
        "http://secunia.com/advisories/9446",
        "http://secunia.com/advisories/9447",
        "http://secunia.com/advisories/9535",
        "http://securitytracker.com/id?1007380",
        "http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1",
        "http://www.debian.org/security/2003/dsa-357",
        "http://www.kb.cert.org/vuls/id/743092",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2003:080",
        "http://www.novell.com/linux/security/advisories/2003_032_wuftpd.html",
        "http://www.osvdb.org/6602",
        "http://www.redhat.com/support/errata/RHSA-2003-245.html",
        "http://www.redhat.com/support/errata/RHSA-2003-246.html",
        "http://www.securityfocus.com/archive/1/424852/100/0/threaded",
        "http://www.securityfocus.com/archive/1/425061/100/0/threaded",
        "http://www.securityfocus.com/bid/8315",
        "http://www.turbolinux.com/security/TLSA-2003-46.txt"
    ]
}