CVE-2017-5637

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-306 CWE-400

Affected software

No affected versions have been published.

Timeline

Published: Oct 10, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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