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    CVE-2022-2166

    Improper Restriction of Excessive Authentication Attempts in GitHub repository mastodon/mastodon prior to 4.0.0.

    Published:Nov 16, 2022
    Last Modified:Apr 29, 2025
    EPS:Nov 16, 2022
    EPSS Score:0.00902
    CVSS Score:9.8

    Affected Products

    Vendor
    Joinmastodon
    Product
    Mastodon

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-72916 (CVSS 6.3) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, an…
    CVE-2026-72915 (CVSS 7.5) — Mastodon is a free, open-source social network server based on ActivityPub. From 4.6.0-beta.1 until 4.6.4 and …
    CVE-2026-72914 (CVSS 7.5) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, an…
    CVE-2026-50129 (CVSS 7.5) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.2…
    CVE-2026-50128 (CVSS 5.3) — Mastodon is a free, open-source social network server based on ActivityPub. From 4.3.0 until 4.5.11 and 4.4.18…
    CVE-2026-48028 (CVSS 6.5) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.2…
    CVE-2026-47389 (CVSS 8.6) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.2…
    CVE-2026-46349 (CVSS 5.3) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.2…
    CVE-2026-46348 (CVSS 8.7) — Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.2…

    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