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CVE-2021-46398

HighPublished

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...

Published: Feb 4, 2022
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Feb 8, 2022

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

6.7%

Low · next 30 days

Percentile: 93.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2021-46398_Chamilo-LMS-RCEExploit
Chamilo LMS v1.11.14 was discovered to contain a zero click code injection vulnerability which allows attackers to execute arbitrary code via a crafted plugin. This vulnerability is triggered through user interaction with the attacker's profile page.
FileBrowser 2.17.2 - Cross Site Request Forgery (CSRF) to Remote Code Execution (RCE)Exploit
FEBIN MON SAJI · multiple · Feb 8, 2022

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