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    CVE-2022-43686

    In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).

    Published:Nov 14, 2022
    Last Modified:Apr 30, 2025
    EPS:Nov 14, 2022
    EPSS Score:0.00271
    CVSS Score:6.5

    Affected Products

    Vendor
    Concretecms
    Product
    Concrete Cms

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-68527 (CVSS 5.9) — Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit…
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    CVE-2026-10721 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the  in Permission, …
    CVE-2026-7888 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form b…
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    CVE-2026-8347 (CVSS 2.3) — Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reor…
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    References

    https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
    https://documentation.concretecms.org/developers/introduction/version-history/913-release-notes
    https://github.com/concretecms/concretecms/releases/8.5.10
    https://github.com/concretecms/concretecms/releases/9.1.3
    https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31
    https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
    https://documentation.concretecms.org/developers/introduction/version-history/913-release-notes
    https://github.com/concretecms/concretecms/releases/8.5.10
    https://github.com/concretecms/concretecms/releases/9.1.3
    https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31

    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