VULNERABILITY INTELLIGENCE

CVE-2025-37730

CVSS score6.5 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-05-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

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.

Weakness classification

  • security@elastic.co: CWE-295

Primary references