SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-6714

MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data.

HIGH 7.5EPSS 0.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.31% probability · 23th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-834
Affected
mongodb/mongodb
Source
cna@mongodb.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.