CVE-2020-7929

Specially crafted regex query can cause DoS

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.

Un usuario autorizado para llevar a cabo consultas a la base de datos puede desencadenar una denegación de servicio cuando se emite una consulta especialmente diseñada que contenga un tipo de expresión regular. Este problema afecta a: MongoDB Inc. MongoDB Server versiones v3.6 anteriores a 3.6.21 y MongoDB Server versiones v4.0 anteriores a 4.0.20

*Credits: N/A

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:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-01-23 CVE Reserved
2021-03-01 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-185: Incorrect Regular Expression

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://jira.mongodb.org/browse/SERVER-51083	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"				>= 3.6.0 < 3.6.21 Search vendor "Mongodb" for product "Mongodb" and version " >= 3.6.0 < 3.6.21"		-		Affected
Mongodb Search vendor "Mongodb"		Mongodb Search vendor "Mongodb" for product "Mongodb"				>= 4.0.0 < 4.0.20 Search vendor "Mongodb" for product "Mongodb" and version " >= 4.0.0 < 4.0.20"		-		Affected