CVE-2021-46398
Apache Filebrowser Cross-Site Request Forgery (CSRF) to Administrative Command Execution (RCE)
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.
INFO
Published Date :
Feb. 4, 2022, 4:15 p.m.
Last Modified :
March 4, 2022, 4:39 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-46398 has a 7 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-46398.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html | Exploit Third Party Advisory VDB Entry |
| https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html | Exploit Third Party Advisory |
| https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/ | Exploit Third Party Advisory |
| https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 | Exploit Third Party Advisory |
| https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d | Patch Third Party Advisory |
| https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
A Proof of Concept for the CVE-2021-46398 flaw exploitation
HTML
None
None
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.
Config files for my GitHub profile.
config github-config
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-46398 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46398 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Mar. 04, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html Exploit, Third Party Advisory http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 No Types Assigned https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 Exploit, Third Party Advisory -
CVE Modified by [email protected]
Feb. 14, 2022
Action Type Old Value New Value Added Reference https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 09, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html No Types Assigned http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html Exploit, Third Party Advisory Changed Reference Type https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html No Types Assigned https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html Exploit, Third Party Advisory Changed Reference Type https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/ No Types Assigned https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/ Exploit, Third Party Advisory Changed Reference Type https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d No Types Assigned https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d Patch, Third Party Advisory Changed Reference Type https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 No Types Assigned https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 Exploit, Third Party Advisory Added CWE NIST CWE-352 Added CPE Configuration OR *cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* versions up to (excluding) 2.18.0 -
CVE Modified by [email protected]
Feb. 08, 2022
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html [No Types Assigned] -
CVE Modified by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Changed Description A Cross-Site Request Forgery (CSRF) 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. 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. Added Reference https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7 [No Types Assigned] Added Reference https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46398 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-46398
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.71 }} 0.01%
score
0.81000
percentile