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    CVE-2021-33563

    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.

    Published:May 24, 2021
    Last Modified:Nov 21, 2024
    EPS:May 24, 2021
    EPSS Score:0.00171
    CVSS Score:7.5

    Affected Products

    Vendor
    Koel
    Product
    Koel

    Exploits

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

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-55 Rainbow Table Password Cracking

    Related CVEs

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    CVE-2026-54494 (CVSS 5.3) — Koel is a free, open-source music streaming solution. Prior to 9.7.1, App\Helpers\Network::isPublicHost() uses…
    CVE-2026-54492 (CVSS 4.3) — Koel is a free, open-source music streaming solution. Prior to 9.7.0, the Subsonic-compatible createPodcastCha…
    CVE-2026-50552 (CVSS 6.3) — Koel is a free, open-source music streaming solution. Prior to version 9.7.1, Koel contains a Server-Side Requ…
    CVE-2026-47260 (CVSS 7.7) — Koel is a free, open-source music streaming solution. Prior to version 9.3.5, Koel validates the podcast feed …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High