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CVE-2014-6439

19
FAUCET Score

CVE-2014-6439 describes a cross-site scripting (XSS) vulnerability within the Cross-Origin Resource Sharing (CORS) functionality of Elasticsearch versions prior to 1.4.0.Beta1. This medium-severity vulnerability (CVSS 4.3) allows unauthenticated remote attackers to inject arbitrary web script or HTML, potentially leading to information disclosure. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.3CPE matchmatch criteria
cpe:2.3:a:elasticsearch:elasticsearch:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 64th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.elasticsearch:elasticsearchFixed in: 1.4.0.Beta1
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: Discovery
redhatend of lifevia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: elasticsearch

Vendor Advisories (2)

mavenGHSA-8699-m855-cwqfmedium

Cross-site scripting in Elasticsearch

May 14, 2022
redhatCVE-2014-6439Low

Elasticsearch: CSRF via insecure CORS default configuration

Oct 1, 2014

References

packetstormsecurity.com / files/128556/Elasticsearch-1.3.x-CORS-Issue.html
elastic.co / community/security
Vendor Advisory
elasticsearch.org / blog/elasticsearch-1-4-0-beta-released
PatchVendor Advisory
securityfocus.com / archive/1/533602/100/0/threaded
securityfocus.com / bid/70233