What is CVE-2021-20326?

CVE-2021-20326 is a medium-severity vulnerability in MongoDB, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-04-30.

How severe is CVE-2021-20326?

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

Improper input validation in MongoDB

CVE-2021-20326

A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

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.

Affected products

Mongodb
Mongodb Inc. Server — versions 4.4

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cna@mongodb.com (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20326?: CVE-2021-20326 is a medium-severity vulnerability in MongoDB, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-04-30.
How severe is CVE-2021-20326?: Medium severity. CVSS v3 base score is 6.5 out of 10.