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CVE-2014-3120

97
FAUCET Score

CVE-2014-3120 is a critical remote code execution vulnerability affecting Elasticsearch versions prior to 1.2, stemming from dynamic scripting being enabled by default. This flaw allows remote attackers to execute arbitrary MVEL expressions and Java code via the _search source parameter. With a CVSS score of 8.1 (High) and a FAUCET Risk Score of 100/100, the vulnerability is easily exploitable over the network with low privileges and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. This CVE is actively exploited, listed in CISA's KEV catalog, and has readily available exploit modules in Metasploit and Nuclei, indicating widespread attacker interest and a high potential for compromise. The significant media coverage and community discussion further underscore its critical nature.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.0CPE matchmatch criteria
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
88.56%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Mar 25, 2022
Metasploit: ElasticSearch Dynamic Script Arbitrary Java Execution · Dec 9, 2013
Nuclei: CVE-2014-3120 · Feb 15, 2021
ExploitDB: EDB-33588 · May 30, 2014
This CVE's current EPSS score of 0.8856 is in the 100th percentile among its peer group of 17,808 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

mavenpatch availablevia ghsa
Product: org.elasticsearch:elasticsearchFixed in: 1.4.0.Beta1
redhatpatch availablevia redhat_api
Product: Fuse ESB Enterprise 7.1.0
View patch
redhatpatch availablevia redhat_api
Product: Fuse Management Console 7.1.0
View patch
redhatpatch availablevia redhat_api
Product: Fuse MQ Enterprise 7.1.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss A-MQ 6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Fuse 6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Subscription Asset Manager 1.4Fixed in: katello-configure-0:1.4.5.1-3.el6sam
View patch

Vendor Advisories (2)

mavenGHSA-mrfm-jxgf-2h6vhigh

Elasticsearch Improper Access Control vulnerability

May 17, 2022
redhatCVE-2014-3120Important

elasticsearch: remote code execution flaw via dynamic scripting

Dec 9, 2013

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
bouk.co / blog/elasticsearch-rce
Exploit
elastic.co / blog/logstash-1-4-3-released
Vendor Advisory
elastic.co / community/security
Vendor Advisory
found.no / foundation/elasticsearch-security
Exploit
exploit-db.com / exploits/33370
Exploit
osvdb.org / 106949
Broken Link
rapid7.com / db/modules/exploit/multi/elasticsearch/script_mvel_rce
ExploitThird Party Advisory
securityfocus.com / bid/67731
Exploit