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Vulnerability record · CVE-2015-5378 · published 27 June 2017

CVE-2015-5378: Elastic logstash information exposure vulnerability

Elastic · Logstash

Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read communications between Logstash Forwarder agent and Logstash server.

7.5 CVSS 3.0 High EPSS 2.5% · top 16.2% CWE-200 · Information exposure
7.5CVSS 3.0 base score, v2 5.0
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read communications between Logstash Forwarder agent and Logstash server.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/132800/Logstash-1.5.2-SSL-TLS-FREAK.html Third Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/536050/100/0/threaded
http://www.securityfocus.com/archive/1/536859/100/0/threaded
http://www.securityfocus.com/bid/76015 Third Party AdvisoryVDB Entry
https://www.elastic.co/community/security Vendor Advisory
http://packetstormsecurity.com/files/132800/Logstash-1.5.2-SSL-TLS-FREAK.html Third Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/536050/100/0/threaded
http://www.securityfocus.com/archive/1/536859/100/0/threaded
http://www.securityfocus.com/bid/76015 Third Party AdvisoryVDB Entry
https://www.elastic.co/community/security Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-5378), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.