CVE-2021-33563

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-916

Affected software

No affected versions have been published.

Timeline

Published
May 24, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-33563: High severity, CVSS 7.5 | Vulnix