Description

Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.

INFO

Published Date :

2025-05-06T17:29:07.189Z

Last Modified :

2025-05-06T17:51:59.631Z

Source :

elastic
AFFECTED PRODUCTS

The following products are affected by CVE-2025-37730 vulnerability.

Vendors Products
Elastic
  • Logstash
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-37730.

URL Resource
https://discuss.elastic.co/t/logstash-8-17-6-8-18-1-and-9-0-1-security-update-esa-2025-08/377869 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact