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CVE-2014-4326

20
FAUCET Score

CVE-2014-4326 is a critical command injection vulnerability affecting Elasticsearch Logstash versions 1.0.14 through 1.4.1. This flaw allows unauthenticated remote attackers to execute arbitrary commands by sending crafted events to the zabbix.rb or nagios_nsca.rb output plugins. With a CVSS score of 7.5, it poses a significant risk of complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been identified, and community discussion is minimal, the potential impact remains high.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.14CPE matchmatch criteria
cpe:2.3:a:elastic:logstash:1.0.14:*:*:*:*:*:*:*
1.0.15CPE matchmatch criteria
cpe:2.3:a:elastic:logstash:1.0.15:*:*:*:*:*:*:*
1.0.16CPE matchmatch criteria
cpe:2.3:a:elastic:logstash:1.0.16:*:*:*:*:*:*:*
1.0.17CPE matchmatch criteria
cpe:2.3:a:elastic:logstash:1.0.17:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:elastic:logstash:1.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.30%
Probability of exploitation in next 30 days
EPSS Percentile
87.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0330 is in the 77th percentile among its peer group of 51,485 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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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 (1)

rubygemspatch availablevia ghsa
Product: logstashFixed in: 1.4.2

Vendor Advisories (1)

rubygemsGHSA-8qhq-rq4j-8prjhigh

Elasticsearch Logstash allows remote attackers to execute arbitrary commands

May 14, 2022

References

elastic.co / community/security
Vendor Advisory
elasticsearch.org / blog/logstash-1-4-2
securityfocus.com / archive/1/532841/100/0/threaded