{
    "id": "CVE-2010-1128",
    "published": "2010-03-26 20:30:00",
    "last_modified": "2026-06-16 23:17:34",
    "cvss_score": "6.4",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
    "cwe": "CWE-310",
    "description": "The Linear Congruential Generator (LCG) in PHP before 5.2.13 does not provide the expected entropy, which makes it easier for context-dependent attackers to guess values that were intended to be unpredictable, as demonstrated by session cookies generated by using the uniqid function.",
    "epss_score": "0.08088",
    "epss_percentile": "0.94633",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:08",
    "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": "33677",
            "title": "PHP 5.3.1 - LCG Entropy Security",
            "date": "2010-02-26",
            "url": "https://www.exploit-db.com/exploits/33677"
        }
    ],
    "refs_list": [
        "http://secunia.com/advisories/38708",
        "http://secunia.com/advisories/42410",
        "http://www.php.net/ChangeLog-5.php",
        "http://www.php.net/releases/5_2_13.php",
        "http://www.redhat.com/support/errata/RHSA-2010-0919.html",
        "http://www.securityfocus.com/bid/38430",
        "http://www.vupen.com/english/advisories/2010/0479",
        "http://www.vupen.com/english/advisories/2010/3081",
        "http://secunia.com/advisories/38708",
        "http://secunia.com/advisories/42410",
        "http://www.php.net/ChangeLog-5.php",
        "http://www.php.net/releases/5_2_13.php",
        "http://www.redhat.com/support/errata/RHSA-2010-0919.html",
        "http://www.securityfocus.com/bid/38430",
        "http://www.vupen.com/english/advisories/2010/0479",
        "http://www.vupen.com/english/advisories/2010/3081"
    ]
}