{
    "id": "CVE-2011-5034",
    "published": "2011-12-30 01:55:01",
    "last_modified": "2026-06-16 23:35:48",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-20",
    "description": "Apache Geronimo 2.2.1 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.  NOTE: this might overlap CVE-2011-4461.",
    "epss_score": "0.80569",
    "epss_percentile": "0.99614",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:13",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "geronimo"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "2012",
            "title": "MyBulletinBoard (MyBB) 1.1.5 - 'CLIENT-IP' SQL Injection",
            "date": "2006-07-15",
            "url": "https://www.exploit-db.com/exploits/2012"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html",
        "http://secunia.com/advisories/47412",
        "http://www.kb.cert.org/vuls/id/903934",
        "http://www.nruns.com/_downloads/advisory28122011.pdf",
        "http://www.ocert.org/advisories/ocert-2011-003.html",
        "https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py",
        "https://lists.apache.org/thread.html/r20957aa5962a48328f199e2373f408aeeae601a45dd5275a195e2b6e%40%3Cjava-dev.axis.apache.org%3E",
        "https://lists.apache.org/thread.html/r360b70489bad65286b49ceb5303a849d2a7ec7d1292774a7259579e1%40%3Cissues.karaf.apache.org%3E",
        "https://lists.apache.org/thread.html/r3c541f019b74902e8e61d73e40ecc2837dfce1b744ad5546919b993c%40%3Cissues.karaf.apache.org%3E",
        "https://lists.apache.org/thread.html/r4fe6b5ff1d48e23337304fd5ac983d89328aecbd1fa198cfc966fbd7%40%3Cdev.geronimo.apache.org%3E",
        "https://lists.apache.org/thread.html/r653f633aa7b6ccbb8c338dbfcea7a00e4ae9d6f3e064a03cab8dc20d%40%3Cjava-dev.axis.apache.org%3E",
        "https://lists.apache.org/thread.html/r67747af92035942c9c413bd8394acbb8a1ace5833c0177014c825bc2%40%3Cissues.karaf.apache.org%3E",
        "https://lists.apache.org/thread.html/r8dc1a0ae0e0cf9d2494b8cbd66562f99331c4cf635e7781850a9b9ba%40%3Cjava-dev.axis.apache.org%3E",
        "https://lists.apache.org/thread.html/ra10015f6f3c3c88b7d813383554e87c06347fe163487148669189b8e%40%3Cdev.geronimo.apache.org%3E",
        "https://lists.apache.org/thread.html/ra1fe29f6399b68980f914d8613dee7f67d62a1a97722fe9cd56f4f5f%40%3Cdev.geronimo.apache.org%3E",
        "https://lists.apache.org/thread.html/rb0e85243d7268f1d7a1edb5e6c7df885dbd300acabaaf4cb0e880518%40%3Cissues.karaf.apache.org%3E",
        "https://lists.apache.org/thread.html/rdd67ea3e489134f653349fc2cb09828ac8462aa61dd776b505a3297a%40%3Cissues.karaf.apache.org%3E",
        "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html",
        "http://secunia.com/advisories/47412",
        "http://www.kb.cert.org/vuls/id/903934",
        "http://www.nruns.com/_downloads/advisory28122011.pdf",
        "http://www.ocert.org/advisories/ocert-2011-003.html",
        "https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py",
        "https://lists.apache.org/thread.html/r20957aa5962a48328f199e2373f408aeeae601a45dd5275a195e2b6e%40%3Cjava-dev.axis.apache.org%3E",
        "https://lists.apache.org/thread.html/r360b70489bad65286b49ceb5303a849d2a7ec7d1292774a7259579e1%40%3Cissues.karaf.apache.org%3E"
    ]
}