CVE-2021-22138

LOW

Logstash 6.4.0-6.8.14 - Improper Certificate Validation in Monitoring Feature

Title source: llm
STIX 2.1

Description

In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210629-0001/

Scores

CVSS v3 3.7
EPSS 0.0011
EPSS Percentile 28.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-295
Status published
Products (1)
elastic/logstash 6.4.0 - 6.8.15
Published May 13, 2021
Tracked Since Feb 18, 2026