CVE-2021-46398
mediumpriority · attend · 47EPSS 0.067 · 94 %ileexploit · PoCEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (3)
Public proof-of-concept and weaponised exploit code.
- LalieA/CVE-2021-46398A Proof of Concept for the CVE-2021-46398 flaw exploitation PoC · poc_in_github
affected products (3)
Products and version ranges known to be affected.
- Go github.com/filebrowser/filebrowser/v2< 2.18.0osvUSpkg:golang/github.com/filebrowser/filebrowser/v2
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-72wf-hwcq-65h9Cross-Site Request Forgery in Filebrowser2022-02-05ghsa · osvUS
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.
- GO-2022-0563Cross-site request forgery in github.com/filebrowser/filebrowser/v22022-02-05vendor · osvUS
A Cross-Site Request Forgery vulnerability exists in Filebrowser 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.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (20)
External citations — patches, advisories, analysis.
- https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.htmlcnnvd
- https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/cnnvd
- https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7cnnvd
- https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8dcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-46398cnnvd
- https://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.htmlcnnvd
- https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7cnnvd
- https://www.exploit-db.com/exploits/50717cnnvd
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