CVE-2021-46398 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/ http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8