CVE-2021-22139

MEDIUM

Kibana < 7.12.1 - Denial of Service via Webhook Request Size

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0028
EPSS Percentile 51.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (1)
elastic/kibana < 7.12.1
Published May 13, 2021
Tracked Since Feb 18, 2026