01 Record
CVE-2021-46398
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.9% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-04 15:05Z4 YR AGO
- Last updated
- 2024-08-04 05:02Z2 YR AGO
- Reserved
- 2022-01-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-352Cross-Site Request Forgery (CSRF)Compound
- Data version
- 5.1
- Document digest
- 919b5453637ea38df41c1f748203e669d0017dd3f4095dbb05728da4b6d9a5d5
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d
- febin0x4e4a.blogspot.comhttps://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html
- febin0x4e4a.wordpress.comhttps://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/
- systemweakness.comhttps://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
- packetstormsecurity.comhttp://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html
- febinj.medium.comhttps://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7