CVE-2018-18389

Name: CVE-2018-18389
Creator: NVD / NIST
Published: 2018-10-16T18:29:01.55+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.92%

Last modified Jun 17, 2026

CVE-2018-18389 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.92%

77.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Neo4j	Neo4j	>= 3.4.0, < 3.4.9

References

https://github.com/neo4j/neo4j/issues/12047Exploit, Third Party Advisory
https://github.com/neo4j/neo4j/issues/12047Exploit, Third Party Advisory

Timeline

Published: Oct 16, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18389?

How severe is CVE-2018-18389?

Severity scoring for CVE-2018-18389 is pending analysis. The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18389?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18389?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST