CVE-2018-8012

Zookeeper vulnerability

CVSS

7.5

EPSS

8.7%

EPSS pct

95th

Exploited

No known

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 vendor

Apache

Affected product

Zookeeper

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-862 — Missing Authorization

Published

2018-05-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 8.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2018-8012

Confirm whether Apache Zookeeper is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-8012.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8012

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8012 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2018-8012?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2018-8012.

Start free scan

No credit card. Agentless.

Related vulnerabilities