VULNERABILITY INTELLIGENCE

CVE-2021-22139

CVSS score6.5 MEDIUM
EPSS probability1.00%
CISA KEVNot currently listed
Published2021-05-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.

Weakness classification

  • security@elastic.co: CWE-400
  • nvd@nist.gov: CWE-400

Primary references