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

EPSS: 0.019 (77.8th percentile) — read the EPSS interpretation.

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.

Affected products

  • Neo4j
  • N/a — versions n/a

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.