CVE-2021-46398

FileBrowser 2.17.2 - Cross Site Request Forgery (CSRF) to Remote Code Execution (RCE)

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Cross-Site Request Forgery vulnerability exists in Filebrowser < 2.18.0 that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.

Existe una vulnerabilidad de falsificación de solicitud en sitios cruzados en Filebrowser versiones anteriores 2.18.0 que permite a los atacantes crear un usuario de puerta trasera con privilegios de administrador y obtener acceso al sistema de archivos a través de una página web HTML maliciosa que se envía a la víctima. Un administrador puede ejecutar comandos utilizando el FileBrowser y por lo tanto conduce a RCE

FileBrowser versions 2.17.2 and below suffer from a cross site request forgery vulnerability that can lead to remote code execution.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-18 CVE Reserved
2022-02-04 CVE Published
2022-02-08 First Exploit
2024-08-04 CVE Updated
2024-12-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-352: Cross-Site Request Forgery (CSRF)

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/50717	2022-02-08
https://github.com/LalieA/CVE-2021-46398	2023-09-10
https://github.com/febinrev/CVE-2021-46398_Chamilo-LMS-RCE	2024-08-12
http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html	2024-08-04
https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html	2024-08-04
https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser	2024-08-04
https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7	2024-08-04
https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7	2024-08-04

URL	Date	SRC
https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d	2022-03-04

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Filebrowser Search vendor "Filebrowser"		Filebrowser Search vendor "Filebrowser" for product "Filebrowser"				< 2.18.0 Search vendor "Filebrowser" for product "Filebrowser" and version " < 2.18.0"		-		Affected