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CVE-2021-34371GHSA-PC4W-8V5J-29W9BIT-NEO4J-2021-34371BIT-NEO4J-ENTERPRISE-2021-34371

Neo4j through 3.4.18 (with the shell server enabled) exposes an RMI service that arbitrarily deserializes Java objects, e.g., through setSes

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.5.0
2 proofs of concept on GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated
  3. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

  • org.neo4j:neo4jMaven

    fixed in 3.5.0

References 3

Exploit-DB

GitHub · tavgar/CVE-2021-34371

GitHub · zwjjustdoit/CVE-2021-34371.jar