Home/CVE/Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack o
CVE

CVE-2021-22139

Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack o

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.

MEDIUM · CVSS 6.5 EPSS 0.00281
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

1
elastic kibana< 7.12.1
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@elastic.co
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 May 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.elastic.co/t/7-12-1-security-update/271433Vendor Advisory
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