{
    "id": "CVE-2009-0991",
    "published": "2009-04-15 10:30:00",
    "last_modified": "2026-06-16 23:06:15",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": null,
    "description": "Unspecified vulnerability in the Listener component in Oracle Database 9.2.0.8, 9.2.0.8DV, 10.1.0.5, 10.2.0.4, and 11.1.0.7 allows remote attackers to affect availability via unknown vectors, a different vulnerability than CVE-2009-1970.",
    "epss_score": "0.15637",
    "epss_percentile": "0.96735",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "oracle",
            "product": "database_10g"
        },
        {
            "vendor": "oracle",
            "product": "database_11g"
        },
        {
            "vendor": "oracle",
            "product": "database_9i"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "8507",
            "title": "Oracle RDBms 10.2.0.3/11.1.0.6 - TNS Listener (PoC)",
            "date": "2009-04-21",
            "url": "https://www.exploit-db.com/exploits/8507"
        }
    ],
    "refs_list": [
        "http://osvdb.org/53737",
        "http://secunia.com/advisories/34693",
        "http://www.oracle.com/technetwork/topics/security/cpuapr2009-099563.html",
        "http://www.securityfocus.com/bid/34461",
        "http://www.securitytracker.com/id?1022052",
        "http://www.us-cert.gov/cas/techalerts/TA09-105A.html",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/50026",
        "http://osvdb.org/53737",
        "http://secunia.com/advisories/34693",
        "http://www.oracle.com/technetwork/topics/security/cpuapr2009-099563.html",
        "http://www.securityfocus.com/bid/34461",
        "http://www.securitytracker.com/id?1022052",
        "http://www.us-cert.gov/cas/techalerts/TA09-105A.html",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/50026"
    ]
}