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Vulnerable Software

Vulnerability Details CVE-2017-5637

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.2

EPSS Ranking 95.1%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2017-5637

Apache » Zookeeper » Version: 3.4.0

cpe:2.3:a:apache:zookeeper:3.4.0
Apache » Zookeeper » Version: 3.4.1

cpe:2.3:a:apache:zookeeper:3.4.1
Apache » Zookeeper » Version: 3.4.2

cpe:2.3:a:apache:zookeeper:3.4.2
Apache » Zookeeper » Version: 3.4.3

cpe:2.3:a:apache:zookeeper:3.4.3
Apache » Zookeeper » Version: 3.4.4

cpe:2.3:a:apache:zookeeper:3.4.4
Apache » Zookeeper » Version: 3.4.5

cpe:2.3:a:apache:zookeeper:3.4.5
Apache » Zookeeper » Version: 3.4.6

cpe:2.3:a:apache:zookeeper:3.4.6
Apache » Zookeeper » Version: 3.4.7

cpe:2.3:a:apache:zookeeper:3.4.7
Apache » Zookeeper » Version: 3.4.8

cpe:2.3:a:apache:zookeeper:3.4.8
Apache » Zookeeper » Version: 3.4.9

cpe:2.3:a:apache:zookeeper:3.4.9
Apache » Zookeeper » Version: 3.5.0

cpe:2.3:a:apache:zookeeper:3.5.0
Apache » Zookeeper » Version: 3.5.1

cpe:2.3:a:apache:zookeeper:3.5.1
Apache » Zookeeper » Version: 3.5.2

cpe:2.3:a:apache:zookeeper:3.5.2
Debian » Debian Linux » Version: 8.0

cpe:2.3:o:debian:debian_linux:8.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2017-5637

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