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CVE-2021-46398

Good to know:

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Date: February 4, 2022

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.

Language: Go

Severity Score

Related Resources (8)

https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d
https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html
http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html
https://nvd.nist.gov/vuln/detail/CVE-2021-46398
https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/
https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
https://www.mend.io/vulnerability-database/CVE-2021-46398

Severity Score

Weakness Type (CWE)

Cross-Site Request Forgery (CSRF)

CWE-352

Top Fix

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Upgrade Version

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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