CVE-2025-37730CWE-295

Logstash Improper Certificate Validation in TCP output

Medium · published May 6, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
6.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00177 · 6.9th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2025-05-06T17:29Z
EPSS history
Timeline
  • 06 MAY 17:29Z
    Logstash Improper Certificate Validation in TCP output
    cvelistv5