Auth bypass in Neo4j

CVE-2018-18389

Due to incorrect access control in Neo4j Enterprise Database Server 3.4.x before 3.4.9, the setting of LDAP for authentication with STARTTLS, and System Account for authorization, allows an attacker to log into the server by sending any valid username with an arbitrary password.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% 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-2018-18389: held from 0.019 to 0.019.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-18389?
CVE-2018-18389 is a critical-severity vulnerability in Neo4j, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-10-16.
How severe is CVE-2018-18389?
Critical severity. CVSS v3 base score is 9.8 out of 10.