Vulnerability · Published Jul 7, 2025 · Assigned by mongodb

CVE-2025-6714Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections

High 7.5

In plain English

A high-severity uncontrolled resource consumption in MongoDB Server from MongoDB Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 70.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured with load balancer support. This issue affects MongoDB Server v6.0 prior to 6.0.23, MongoDB Server v7.0 prior to 7.0.20 and MongoDB Server v8.0 prior to 8.0.9 Required Configuration: This affects MongoDB sharded clusters when configured with load balancer support for mongos using HAProxy on specified ports.

Affected products (as reported)

VendorProductVersions
MongoDB Inc MongoDB Server 6.0 – before 6.0.237.0 – before 7.0.208.0 – before 8.0.9

Weakness: CWE-834, CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References