{
    "id": "CVE-2003-1025",
    "published": "2004-01-20 05:00:00",
    "last_modified": "2026-06-16 22:03:22",
    "cvss_score": "4.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
    "cwe": "CWE-20",
    "description": "Internet Explorer 5.01 through 6 SP1 allows remote attackers to spoof the domain of a URL via a \"%01\" character before an @ sign in the user@domain portion of the URL, which hides the rest of the URL, including the real site, in the address bar, aka the \"Improper URL Canonicalization Vulnerability.\"",
    "epss_score": "0.26912",
    "epss_percentile": "0.97973",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "internet_explorer"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "23465",
            "title": "Opera Browser 6.0 6 - URI Display Obfuscation",
            "date": "2003-12-23",
            "url": "https://www.exploit-db.com/exploits/23465"
        },
        {
            "source": "exploit-db",
            "ref_id": "23422",
            "title": "Microsoft Internet Explorer 5/6 / Mozilla 1.2.1 - URI Display Obfuscation (1)",
            "date": "2003-12-09",
            "url": "https://www.exploit-db.com/exploits/23422"
        },
        {
            "source": "exploit-db",
            "ref_id": "23423",
            "title": "Microsoft Internet Explorer 5/6 / Mozilla 1.2.1 - URI Display Obfuscation (2)",
            "date": "2003-12-09",
            "url": "https://www.exploit-db.com/exploits/23423"
        }
    ],
    "refs_list": [
        "http://www.kb.cert.org/vuls/id/652278",
        "http://www.securityfocus.com/archive/1/346948",
        "http://www.us-cert.gov/cas/techalerts/TA04-033A.html",
        "http://www.zapthedingbat.com/security/ex01/vun1.htm",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/13935",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A526",
        "http://www.kb.cert.org/vuls/id/652278",
        "http://www.securityfocus.com/archive/1/346948",
        "http://www.us-cert.gov/cas/techalerts/TA04-033A.html",
        "http://www.zapthedingbat.com/security/ex01/vun1.htm",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-004",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/13935",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A490",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A491",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A510",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A511",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A512",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A513"
    ]
}