CVE-2021-3424

    Dashboard / Vulnerabilities / CVE-2021-3424

    CVE-2021-3424

    Published: 1 Jun 2021Last Modified: 10 Mar 2026

    Summary:

    Details: A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

    References: , https://bugzilla.redhat.com/show_bug.cgi?id=1933320

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-3424 | CVE-DB