{
    "id": "CVE-2004-1020",
    "published": "2005-01-10 05:00:00",
    "last_modified": "2026-06-16 22:06:52",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
    "cwe": null,
    "description": "The addslashes function in PHP 4.3.9 does not properly escape a NULL (/0) character, which may allow remote attackers to read arbitrary files in PHP applications that contain a directory traversal vulnerability in require or include statements, but are otherwise protected by the magic_quotes_gpc mechanism.  NOTE: this issue was originally REJECTed by its CNA before publication, but that decision is in active dispute.  This candidate may change significantly in the future as a result of further discussion.",
    "epss_score": "0.07068",
    "epss_percentile": "0.94009",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "24985",
            "title": "PHP 4/5 - 'addslashes()' Null Byte Bypass",
            "date": "2004-12-16",
            "url": "https://www.exploit-db.com/exploits/24985"
        }
    ],
    "refs_list": [
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000915",
        "http://www.gentoo.org/security/en/glsa/glsa-200412-14.xml",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2004:151",
        "http://www.php.net/release_4_3_10.php",
        "http://www.securityfocus.com/advisories/9028",
        "http://www.securityfocus.com/archive/1/384663",
        "http://www.securityfocus.com/bid/11981",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/18516",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000915",
        "http://www.gentoo.org/security/en/glsa/glsa-200412-14.xml",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2004:151",
        "http://www.php.net/release_4_3_10.php",
        "http://www.securityfocus.com/advisories/9028",
        "http://www.securityfocus.com/archive/1/384663",
        "http://www.securityfocus.com/bid/11981",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/18516"
    ]
}