CVE-2018-18389 json
Incorrect access control in Neo4j Enterprise Database Server via LDAP authentication
published 2018-10-16 8 y ago modified 2026-06-17 4 mo ago also GHSA-h5f5-rj4r-42f6 , EUVD-2018-0611
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/neo4j/neo4j/issues/12047 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.neo4j:neo4j-enterprise | >=3.4.0, <3.4.9 |
3.4.9 |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/neo4j/neo4j/commit/46de5d01ae2741ffe04c36270fc62c6d490f65c9
web
-
github.com
/neo4j/neo4j/issues/12047
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-18389
advisory
-
github.com
/advisories/GHSA-h5f5-rj4r-42f6
advisory
-
github.com
/neo4j/neo4j
package
Sources
- CVE List CVE-2018-18389
- GitHub Advisory GHSA-h5f5-rj4r-42f6
- NVD CVE-2018-18389
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