CVE-2021-22138

LowCVSS 3.7/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-295

Affected software

No affected versions have been published.

Timeline

Published: May 13, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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