{
    "id": "CVE-2014-3120",
    "published": "2014-07-28 19:55:04",
    "last_modified": "2026-06-17 00:07:37",
    "cvss_score": "8.1",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
    "cwe": "CWE-284",
    "description": "The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code via the source parameter to _search.  NOTE: this only violates the vendor's intended security policy if the user does not run Elasticsearch in its own independent virtual machine.",
    "epss_score": "0.88559",
    "epss_percentile": "0.99771",
    "kev": 1,
    "kev_due": "2022-04-15",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:19:23",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-04-15."
    },
    "products": [
        {
            "vendor": "elastic",
            "product": "elasticsearch"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2014-3120",
        "date_added": "2022-03-25",
        "due_date": "2022-04-15",
        "vendor": "Elastic",
        "product": "Elasticsearch",
        "name": "Elasticsearch Remote Code Execution Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "33588",
            "title": "ElasticSearch Dynamic Script - Arbitrary Java Execution (Metasploit)",
            "date": "2014-05-30",
            "url": "https://www.exploit-db.com/exploits/33588"
        },
        {
            "source": "exploit-db",
            "ref_id": "33370",
            "title": "ElasticSearch - Remote Code Execution",
            "date": "2014-05-15",
            "url": "https://www.exploit-db.com/exploits/33370"
        }
    ],
    "refs_list": [
        "http://bouk.co/blog/elasticsearch-rce/",
        "http://www.exploit-db.com/exploits/33370",
        "http://www.osvdb.org/106949",
        "http://www.rapid7.com/db/modules/exploit/multi/elasticsearch/script_mvel_rce",
        "http://www.securityfocus.com/bid/67731",
        "https://www.elastic.co/blog/logstash-1-4-3-released",
        "https://www.elastic.co/community/security/",
        "https://www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch",
        "http://bouk.co/blog/elasticsearch-rce/",
        "http://www.exploit-db.com/exploits/33370",
        "http://www.osvdb.org/106949",
        "http://www.rapid7.com/db/modules/exploit/multi/elasticsearch/script_mvel_rce",
        "http://www.securityfocus.com/bid/67731",
        "https://www.elastic.co/blog/logstash-1-4-3-released",
        "https://www.elastic.co/community/security/",
        "https://www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3120"
    ]
}