CVE-2015-5619

Name: CVE-2015-5619
Creator: NVD / NIST
Published: 2017-08-09T16:29:00.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.22%

Last modified Jun 17, 2026

CVE-2015-5619 is a vulnerability of currently unknown severity. Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.

Metrics

EPSS Probability

1.22%

64.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Elastic	Logstash	1.4.0
Elastic	Logstash	1.4.1
Elastic	Logstash	1.4.2
Elasticsearch	Logstash	1.4.3
Elasticsearch	Logstash	1.4.4
Elasticsearch	Logstash	1.5.0
Elasticsearch	Logstash	1.5.1
Elasticsearch	Logstash	1.5.2
Elasticsearch	Logstash	1.5.3

References

http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/536294/100/0/threaded
http://www.securityfocus.com/archive/1/536858/100/0/threaded
http://www.securityfocus.com/bid/76455Third Party Advisory, VDB Entry
https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-releasedVendor Advisory
http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/536294/100/0/threaded
http://www.securityfocus.com/archive/1/536858/100/0/threaded
http://www.securityfocus.com/bid/76455Third Party Advisory, VDB Entry
https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-releasedVendor Advisory

Timeline

Published: Aug 9, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5619?

How severe is CVE-2015-5619?

Severity scoring for CVE-2015-5619 is pending analysis. The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5619?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5619?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST