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    CVE-2021-40818

    scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.

    Published:Sep 8, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 8, 2021
    EPSS Score:0.00455
    CVSS Score:9.8

    Affected Products

    Vendor
    Glewlwyd Sso Server Project
    Product
    Glewlwyd Sso Server

    Exploits

    No exploit reference

    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