CVE-2021-20326

Specially crafted query may result in a denial of service of mongod

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Un usuario autorizado para llevar a cabo un tipo específico de consulta de búsqueda puede desencadenar una denegación de servicio. Este problema afecta a: MongoDB Inc. MongoDB Server versiones v4.4 anteriores a la 4.4.4.

*Credits: Adrien Petel

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-04-30 CVE Published
2024-08-01 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://jira.mongodb.org/browse/SERVER-53929	2024-01-23

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mongodb Search vendor "Mongodb"		Mongodb Search vendor "Mongodb" for product "Mongodb"				>= 4.4.0 < 4.4.4 Search vendor "Mongodb" for product "Mongodb" and version " >= 4.4.0 < 4.4.4"		-		Affected