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CVE-2018-1000820
CRITICAL
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.
Published: Dec 20, 2018
Modified: Jun 17, 2026
CWE-611
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| neo4j | awesome_procedures_on_cyper | * |
GitHub Security Advisory GHSA-r2pp-x4mm-4999
XML External Entity (XXE) vulnerability in neo4j.procedure:apoc
maven
org.neo4j.procedure:apoc
<= 3.4.0.3
Fixed: 3.4.0.4
References (4)
- https://0dd.zone/2018/10/27/neo4f-apoc-procedures-XXE/ Third Party Advisory
- https://github.com/neo4j-contrib/neo4j-apoc-procedures/issues/931 Issue Tracking, Patch, Third Party Advisory
- https://0dd.zone/2018/10/27/neo4f-apoc-procedures-XXE/ Third Party Advisory
- https://github.com/neo4j-contrib/neo4j-apoc-procedures/issues/931 Issue Tracking, Patch, Third Party Advisory
Risk Scores
CVSS Score
10.0 / 10
EPSS Score
1.87%
Top 22% most likely to be exploited
Threat Score
40.6 / 100
Data Sources
NVD
EPSS
GitHub