SB2025050667 - MitM attack in Logstash



SB2025050667 - MitM attack in Logstash

Published: May 6, 2025

Security Bulletin ID SB2025050667
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper certificate validation (CVE-ID: CVE-2025-37730)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing certificate validation in TCP output in the client mode when "ssl_verification_mode = full" is set. A remote attacker with ability to intercept traffic can perform MitM attack.


Remediation

Install update from vendor's website.