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Case File

CVE-2021-33563

HIGH · CVSS 7.5 EPSS 0.79% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-24 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-33563
Severity
HIGH
CVSS
7.5
EPSS
0.79%

Original NVD 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.