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TI-2018-16042 Aliases CVE-2018-1000820GHSA-r2pp-x4mm-4999

neo4j-contrib neo4j-apoc-procedures version before commit 45bc09c contains a XML External…

Priority MEDIUM 47CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

neo4j-contrib neo4j-apoc-procedures version before commit 45bc09c contains a XML External Entity (XXE) vulnerability in XML Parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This vulnerability appears to have been fixed in after commit 45bc09c.

Why it matters now

EPSS 0.01873 79th percentileScored 2026-11-07
Fix Fixed org.neo4j.procedure:apoc (Maven): 3.4.0.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.neo4j.procedure:apoc (Maven)before 3.4.0.43.4.0.4Patch availableGHSA-r2pp-x4mm-4999
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.neo4j.procedure:apoc (Maven) Vendor— Affected before 3.4.0.4 Fixed in 3.4.0.4 Patch available GHSA-r2pp-x4mm-4999

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:neo4j:awesome_procedures_on_cyper:*:*:*:*:*:*:*:*all versionsVulnerableneo4j
  • cpe:2.3:a:neo4j:awesome_procedures_on_cyper:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·neo4j

Remediation

  • Fix · GHSA-r2pp-x4mm-4999 org.neo4j.procedure:apoc (Maven) Fixed in 3.4.0.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000820
  2. 2026-10-03 Alias added: GHSA-r2pp-x4mm-4999

References

Patch 1

Advisory 2

Other 1

  • TI-2023-09724 XML external entity injection in neo4j apoc CVSS 3.1HIGH 8.1
  • TI-2022-07589 neo4j-apoc-procedures is vulnerable to path traversal CVSS 3.1HIGH 7.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences