Vulnerability DatabaseCVE-2021-34371
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CVE-2021-34371
Published:August 05, 2021
Updated:September 01, 2026
Neo4j through 3.4.18 (with the shell server enabled) exposes an RMI service that arbitrarily deserializes Java objects, e.g., through setSessionVariable. An attacker can abuse this for remote code execution because there are dependencies with exploitable gadget chains.
Affected Packages
org.neo4j:neo4j (JAVA):
Affected version(s) >=1.2.M03 <3.5.0
Fix Suggestion:
Update to version 3.5.0
Related Resources (3)
https://www.exploit-db.com/exploits/50170
https://github.com/neo4j/neo4j
https://nvd.nist.gov/vuln/detail/CVE-2021-34371
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Deserialization of Untrusted Data
CWE-502
EPSS
Base Score:
13.39