CVE-2021-31409

    Dashboard / Vulnerabilities / CVE-2021-31409

    CVE-2021-31409

    Published: 6 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Unsafe validation RegEx in EmailValidator component in com.vaadin:vaadin-compatibility-server versions 8.0.0 through 8.12.4 (Vaadin versions 8.0.0 through 8.12.4) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

    References: https://vaadin.com/security/cve-2021-31409, https://github.com/vaadin/framework/issues/12240, https://github.com/vaadin/framework/pull/12241

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- fb74e3d03793a7f9c433a7be583d55e3e2d1c35d
    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-2021-31409 | CVE-DB