CVE-2021-40940

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability.

Monstra versión 3.0.4, no filtra el caso de php, conllevando a una vulnerabilidad de carga de archivos sin restricciones

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-13 CVE Reserved
2022-06-15 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-02-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/monstra-cms/monstra/issues/471	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Monstra Search vendor "Monstra"		Monstra Search vendor "Monstra" for product "Monstra"				<= 3.0.4 Search vendor "Monstra" for product "Monstra" and version " <= 3.0.4"		-		Affected