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HIGH

CVE-2021-46398

CVSS v3

8.8

HIGH

EPSS Score

6.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • github.com/filebrowser/filebrowser/v2Goall versions · fixed in 2.18.0

Full record on NVD

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.

Technical details

Published
2022-02-04
Exploit-DB
EDB-50717

Frequently asked questions

What is 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 webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.

Is CVE-2021-46398 actively exploited?

Active exploitation of CVE-2021-46398 has not been confirmed. Its EPSS score was 6.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-46398?

CVE-2021-46398 has a CVSS v3 base score of 8.8 (HIGH severity).

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