VULNERABILITY INTELLIGENCE

CVE-2021-33563

CVSS score7.5 HIGH

EPSS probability0.81%

CISA KEVNot currently listed

Published2021-05-24

Last modified2026-06-17

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

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.

Weakness classification

nvd@nist.gov: CWE-916

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory