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Case File

CVE-2017-5637

HIGH · CVSS 7.5 EPSS 72.88%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-10-10 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2017-5637
Severity
HIGH
CVSS
7.5
EPSS
72.88%
Apache

Original Filing — NVD 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.