CVE-2017-5637

—

CVSS 3.0

7.5 high

EPSS

73%p99

Published

Oct 10, 2017 (Oct 10, 2017)

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.

Vendors: apache debian
Products: zookeeper, debian linux
Weakness: CWE-306, CWE-400
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (73.1%)

In the news0 stories

No ingested article mentions this CVE yet.