UBUNTU-CVE-2018-8012

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2018-8012
Downstream
USN-4789-1
Published: 21 May 2018, 19:29
Last modified:22 Apr 2026, 12:04

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 May 2018, 19:29
Published
Vulnerability first disclosed
22 Apr 2026, 12:04
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • ubuntu•zookeeper

    all | < 3.4.8-1ubuntu0.1~esm1

References (8)