CVE-2021-34639

WordPress Download Manager <= 3.1.24 Authenticated Arbitrary File Upload

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Authenticated File Upload in WordPress Download Manager <= 3.1.24 allows authenticated (Author+) users to upload files with a double extension, e.g. "payload.php.png" which is executable in some configurations. This issue affects: WordPress Download Manager version 3.1.24 and prior versions.

Una subida de archivos Autenticada en WordPress Download Manager versiones anteriores a 3.1.24 incluyéndola, permite a usuarios autenticados (Author+) subir archivos con una extensión doble, por ejemplo, "payload.php.png" que es ejecutable en algunas configuraciones. Este problema afecta a: WordPress Download Manager versión 3.1.24 y versiones anteriores

*Credits: Ramuel Gall, Wordfence

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-10 CVE Reserved
2021-07-29 CVE Published
2023-03-07 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type
CWE-646: Reliance on File Name or Extension of Externally-Supplied File

CAPEC

References (1)

URL	Tag	Source
https://www.wordfence.com/blog/2021/07/wordpress-download-manager-vulnerabilities	Third Party Advisory

URL	Date	SRC

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
Wpdownloadmanager Search vendor "Wpdownloadmanager"		Wordpress Download Manager Search vendor "Wpdownloadmanager" for product "Wordpress Download Manager"				<= 3.1.24 Search vendor "Wpdownloadmanager" for product "Wordpress Download Manager" and version " <= 3.1.24"		wordpress		Affected