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Medium severity6.5NVD Advisory· Published May 13, 2021· Updated Jun 17, 2026

CVE-2021-22139

CVE-2021-22139

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.

AI Insight

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Affected products

3
  • Elastic/Kibana3 versions
    cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*range: <7.12.1
    • (no CPE)range: <7.12.1
    • (no CPE)range: before 7.12.1

Patches

Vulnerability mechanics

References

1

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