{
    "id": "CVE-2007-1700",
    "published": "2007-03-27 01:19:00",
    "last_modified": "2026-06-16 22:38:08",
    "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": null,
    "description": "The session extension in PHP 4 before 4.4.5, and PHP 5 before 5.2.1, calculates the reference count for the session variables without considering the internal pointer from the session globals, which allows context-dependent attackers to execute arbitrary code via a crafted string in the session_register after unsetting HTTP_SESSION_VARS and _SESSION, which destroys the session data Hashtable.",
    "epss_score": "0.09017",
    "epss_percentile": "0.95136",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:06",
    "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": "3571",
            "title": "PHP < 4.4.5/5.2.1 - '_SESSION unset()' Local Overflow",
            "date": "2007-03-25",
            "url": "https://www.exploit-db.com/exploits/3571"
        }
    ],
    "refs_list": [
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137",
        "http://secunia.com/advisories/25056",
        "http://secunia.com/advisories/25057",
        "http://secunia.com/advisories/25062",
        "http://secunia.com/advisories/25423",
        "http://secunia.com/advisories/25445",
        "http://secunia.com/advisories/25850",
        "http://security.gentoo.org/glsa/glsa-200705-19.xml",
        "http://www.debian.org/security/2007/dsa-1283",
        "http://www.novell.com/linux/security/advisories/2007_32_php.html",
        "http://www.php-security.org/MOPB/MOPB-30-2007.html",
        "http://www.securityfocus.com/bid/23119",
        "http://www.ubuntu.com/usn/usn-455-1",
        "http://www.vupen.com/english/advisories/2007/1991",
        "http://www.vupen.com/english/advisories/2007/2374",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/33520",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137",
        "http://secunia.com/advisories/25056",
        "http://secunia.com/advisories/25057",
        "http://secunia.com/advisories/25062",
        "http://secunia.com/advisories/25423",
        "http://secunia.com/advisories/25445",
        "http://secunia.com/advisories/25850"
    ]
}