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…

published October 10, 2017

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.5th percentile for exploit probability.

CVSS
—
EPSS
73%
Percentile
99.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.73064 · 99.5th percentile
Published
2017-10-10T01:00Z
EPSS history
Timeline
  • 10 OCT 01:00Z
    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…
    cvelistv5