Auth bypass in Apache Zookeeper

CVE-2018-8012

No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta. As a result an arbitrary end point could join the cluster and begin propagating counterfeit changes to the leader.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.084 (95.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8012: held from 0.085 to 0.084.

EPSS over last 30 days · oldest: 0.085 · newest: 0.084 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8012?
CVE-2018-8012 is a high-severity vulnerability in Apache Zookeeper, classified under Missing Authorization. CVSS score: 7.5/10. Published 2018-05-21.
How severe is CVE-2018-8012?
High severity. CVSS v3 base score is 7.5 out of 10.