Overview
The CVE-2025-6714 vulnerability is a critical flaw in MongoDB Server’s mongos component. This issue affects MongoDB servers configured with load balancer support, potentially causing system compromise or data leakage. The vulnerability is of high importance due to its severity score of 7.5, and its potential impact on data integrity and system availability.
Vulnerability Summary
CVE ID: CVE-2025-6714
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
MongoDB Server v6.0 | Prior to 6.0.23
MongoDB Server v7.0 | Prior to 7.0.20
MongoDB Server v8.0 | Prior to 8.0.9
How the Exploit Works
The exploit leverages the incorrect handling of incomplete data in MongoDB’s mongos component. A malicious entity can exploit this by sending incomplete data to the server, causing it to become unresponsive to new connections. This could potentially lead to a system compromise or data leakage, particularly in environments where MongoDB is configured with load balancer support.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited, assuming the attacker has network access to the MongoDB server:
$ echo -n "incomplete_data_packet" | nc target.mongo.server.com 27017In this example, “incomplete_data_packet” stands for data deliberately designed to exploit the incorrect data handling in MongoDB’s mongos component. The netcat (`nc`) command is used to send this data to the MongoDB server, potentially causing it to become unresponsive to new connections.
Please note that this is a conceptual example and might not work in a real-world scenario without modifications specific to the target environment. Always follow ethical guidelines when testing for vulnerabilities.