Remote Code Execution Vulnerability in Neo4j Database Server
CVE-2021-34371

9.8CRITICAL

Key Information:

Vendor

Neo4j

Status
Neo4j
Vendor
CVE Published:
5 August 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 64%

What is CVE-2021-34371?

Neo4j versions prior to 3.4.18, when the shell server is enabled, expose a Remote Method Invocation (RMI) service that is vulnerable to arbitrary deserialization of Java objects. This flaw allows attackers to exploit dependencies linked to insecure gadget chains, leading to potential remote code execution. Proper security measures and updates are essential to mitigate this risk.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-34371.jar
Created by zwjjustdoit

CVE-2021-34371
Created by tavgar

References

https://www.exploit-db.com/exploits/50170
x_refsource_MISC

EPSS Score

64% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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