Detections
Analytics

CVE-2021-33563

high

Description

Koel before 5.1.4 lacks login throttling, lacks a password strength policy, and shows whether a failed login attempt had a valid username. This might make brute-force attacks easier.

References

https://huntr.dev/bounties/1-other-koel/koel/

https://github.com/koel/koel/releases/tag/v5.1.4

Details

Source: Mitre, NVD

Published: 2021-05-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00171