CVE-2014-4326

Elasticsearch Logstash 1.0.14 through 1.4.x before 1.4.2 allows remote attackers to execute arbitrary commands via a crafted event in (1) zabbix.rb or (2) nagios_nsca.rb in outputs/.

Published: 2014-07-22 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-4326 is rated Moderate Risk (55.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.88%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-4326

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-03 0.73% 0.88% +0.15%
2 2025-03-30 1.03% 0.73% -0.30%
3 2025-03-29 1.03%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-4326

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2014-4326

GitHub Security Advisory for CVE-2014-4326

GHSA-8qhq-rq4j-8prj · Severity: high · Ecosystem: rubygems — Elasticsearch Logstash allows remote attackers to execute arbitrary commands

Affected software / configurations for CVE-2014-4326

Vendor Product Version Raw CPE
elastic logstash 1.0.14 cpe:2.3:a:elastic:logstash:1.0.14:*:*:*:*:*:*:*
elastic logstash 1.0.15 cpe:2.3:a:elastic:logstash:1.0.15:*:*:*:*:*:*:*
elastic logstash 1.0.16 cpe:2.3:a:elastic:logstash:1.0.16:*:*:*:*:*:*:*
elastic logstash 1.0.17 cpe:2.3:a:elastic:logstash:1.0.17:*:*:*:*:*:*:*
elastic logstash 1.1.0 cpe:2.3:a:elastic:logstash:1.1.0:*:*:*:*:*:*:*
elastic logstash 1.1.0.1 cpe:2.3:a:elastic:logstash:1.1.0.1:*:*:*:*:*:*:*
elastic logstash 1.1.1 cpe:2.3:a:elastic:logstash:1.1.1:*:*:*:*:*:*:*
elastic logstash 1.1.2 cpe:2.3:a:elastic:logstash:1.1.2:*:*:*:*:*:*:*
elastic logstash 1.1.3 cpe:2.3:a:elastic:logstash:1.1.3:*:*:*:*:*:*:*
elastic logstash 1.1.4 cpe:2.3:a:elastic:logstash:1.1.4:*:*:*:*:*:*:*
elastic logstash 1.1.5 cpe:2.3:a:elastic:logstash:1.1.5:*:*:*:*:*:*:*
elastic logstash 1.1.6 cpe:2.3:a:elastic:logstash:1.1.6:*:*:*:*:*:*:*
elastic logstash 1.1.7 cpe:2.3:a:elastic:logstash:1.1.7:*:*:*:*:*:*:*
elastic logstash 1.1.8 cpe:2.3:a:elastic:logstash:1.1.8:*:*:*:*:*:*:*
elastic logstash 1.1.9 cpe:2.3:a:elastic:logstash:1.1.9:*:*:*:*:*:*:*
elastic logstash 1.1.10 cpe:2.3:a:elastic:logstash:1.1.10:*:*:*:*:*:*:*
elastic logstash 1.1.11 cpe:2.3:a:elastic:logstash:1.1.11:*:*:*:*:*:*:*
elastic logstash 1.1.12 cpe:2.3:a:elastic:logstash:1.1.12:*:*:*:*:*:*:*
elastic logstash 1.1.13 cpe:2.3:a:elastic:logstash:1.1.13:*:*:*:*:*:*:*
elastic logstash 1.2.1 cpe:2.3:a:elastic:logstash:1.2.1:*:*:*:*:*:*:*
elastic logstash 1.2.2 cpe:2.3:a:elastic:logstash:1.2.2:*:*:*:*:*:*:*
elastic logstash 1.3.0 cpe:2.3:a:elastic:logstash:1.3.0:*:*:*:*:*:*:*
elastic logstash 1.3.1 cpe:2.3:a:elastic:logstash:1.3.1:*:*:*:*:*:*:*
elastic logstash 1.3.2 cpe:2.3:a:elastic:logstash:1.3.2:*:*:*:*:*:*:*
elastic logstash 1.3.3 cpe:2.3:a:elastic:logstash:1.3.3:*:*:*:*:*:*:*
elastic logstash 1.4.0 cpe:2.3:a:elastic:logstash:1.4.0:*:*:*:*:*:*:*
elastic logstash 1.4.1 cpe:2.3:a:elastic:logstash:1.4.1:*:*:*:*:*:*:*

References for CVE-2014-4326

cvelogic Threat Intelligence