Vulnerability record

CVE-2014-3120

Elasticsearch Remote Code Execution Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Elasticsearch, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Apr 15, 2022.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
ElasticsearchElastic< 1.2.01.2.0KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2014-3120 scored CVSS 8.1: Elastic Elasticsearch, Elasticsearch Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild. Unpatched Elasticsearch systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2014-3120
  • bouk.co http://bouk.co/blog/elasticsearch-rce/
  • exploit-db.com http://www.exploit-db.com/exploits/33370
  • osvdb.org http://www.osvdb.org/106949
  • rapid7.com http://www.rapid7.com/db/modules/exploit/multi/elasticsearch/script_mvel_rce
  • securityfocus.com http://www.securityfocus.com/bid/67731
  • elastic.co https://www.elastic.co/blog/logstash-1-4-3-released
  • elastic.co https://www.elastic.co/community/security/
  • found.no https://www.found.no/foundation/elasticsearch-security/#staying-safe-while-developing-with-elasticsearch
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3120