What is CVE-2020-7923?

CVE-2020-7923 is a medium-severity vulnerability in MongoDB, classified under Improper Handling of Exceptional Conditions. CVSS score: 6.5/10. Published 2020-08-21.

How severe is CVE-2020-7923?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in MongoDB

CVE-2020-7923

A user authorized to perform database queries may cause denial of service by issuing specially crafted queries, which violate an invariant in the query subsystem's support for geoNear. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc7; MongoDB Server v4.2 versions prior to 4.2.8 and MongoDB Server v4.0 versions prior to 4.0.19.

Published 2020-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000

Affected products

MongoDB
MongoDB Inc. Server — versions 4.4, 4.2, 4.0

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

jira.mongodb.org/browse/SERVER-47773 (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7923?: CVE-2020-7923 is a medium-severity vulnerability in MongoDB, classified under Improper Handling of Exceptional Conditions. CVSS score: 6.5/10. Published 2020-08-21.
How severe is CVE-2020-7923?: Medium severity. CVSS v3 base score is 6.5 out of 10.