What is CVE-2024-3374?

CVE-2024-3374 is a medium-severity vulnerability in MongoDB, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2024-05-14.

How severe is CVE-2024-3374?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in MongoDB

CVE-2024-3374

An unauthenticated user can trigger a fatal assertion in the server while generating ftdc diagnostic metrics due to attempting to build a BSON object that exceeds certain memory sizes. This issue affects MongoDB Server v5.0 versions prior to and including 5.0.16 and MongoDB Server v6.0 versions prior to and including 6.0.5.

Published 2024-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

MongoDB
MongoDB Inc Server — versions 5.0, 6.0

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

jira.mongodb.org/browse/SERVER-75601 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-3374?: CVE-2024-3374 is a medium-severity vulnerability in MongoDB, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2024-05-14.
How severe is CVE-2024-3374?: Medium severity. CVSS v3 base score is 5.3 out of 10.