CVE-2014-3120
HIGHCISA KEVEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Elasticsearch Remote Code Execution Vulnerability
Elasticsearch enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions and Java code.
Apply updates per vendor instructions.
Remediation due: 2022-04-15
References
- 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
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.