CVE-2018-8012
Published:May 21, 2018
Updated:July 09, 2026
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.
Affected Packages
org.apache.zookeeper:zookeeper (JAVA):
Affected version(s) >=3.5.0-alpha <3.5.4-betaFix Suggestion:
Update to version 3.5.4-betaorg.apache.zookeeper:zookeeper (JAVA):
Affected version(s) >=3.3.0 <3.4.10Fix Suggestion:
Update to version 3.4.10Related Resources (21)
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Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
8.72