Is CVE-2021-20326 in the CISA KEV catalog?

No. CVE-2021-20326 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-20326?

CVE-2021-20326 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-20326?

CVE-2021-20326 has an EPSS score of 0.95% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-20326?

Upgrade MongoDB to 4.4.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-20326

MEDIUM

6.5

CVSS v3

NVD

Description

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.

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

How to fix

Remediation Available

MongoDBWindows application

Affected:4.4.0 4.4.4Fixed in:4.4.4MongoDB Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.95%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Patch1

jira.mongodb.org

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2021-20326

Markdown

[![CVE-2021-20326](https://tridentstack.com/cve/badge/CVE-2021-20326.svg)](https://tridentstack.com/cve/CVE-2021-20326)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-20326"><img src="https://tridentstack.com/cve/badge/CVE-2021-20326.svg" alt="CVE-2021-20326"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.