{
  "id": "CVE-2014-3120",
  "url": "https://spydr.io/cve/CVE-2014-3120",
  "published": "2014-07-28T19:55:04.490Z",
  "modified": "2026-06-17T00:07:37.603Z",
  "score": 8.1,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
  "score_source": "NVD",
  "epss": 0.88559,
  "epss_percentile": 0.99772,
  "exploited": true,
  "kev": {
    "added": "2022-03-25",
    "due": "2022-04-15",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Elasticsearch Remote Code Execution Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2014-3120"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "elastic"
  ],
  "products": [
    "elasticsearch"
  ],
  "cwes": [
    "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.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.1,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://bouk.co/blog/elasticsearch-rce/",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://www.exploit-db.com/exploits/33370",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://www.osvdb.org/106949",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.rapid7.com/db/modules/exploit/multi/elasticsearch/script_mvel_rce",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/67731",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://www.elastic.co/blog/logstash-1-4-3-released",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.elastic.co/community/security/",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3120",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3120",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}