CVE-2021-46398 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 6.7% (pctl 94)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 6.66% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-352 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2022-02-04 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| filebrowser | filebrowser |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FileBrowser 2.17.2 - Cross Site Request Forgery (CSRF) to Remote Code Execution (RCE) | 2022-02-08 |
References
- http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html
- https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html
- https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/
- https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
- https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d
- https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
- http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html
- https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html
- https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/
- https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
- https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d
- https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
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