CVE-2021-31405

    Dashboard / Vulnerabilities / CVE-2021-31405

    CVE-2021-31405

    Published: 23 Apr 2021Last Modified: 7 Aug 2026

    Summary:

    Details: Unsafe validation RegEx in EmailField component in com.vaadin:vaadin-text-field-flow versions 2.0.4 through 2.3.2 (Vaadin 14.0.6 through 14.4.3), and 3.0.0 through 4.0.2 (Vaadin 15.0.0 through 17.0.10) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

    References: https://vaadin.com/security/cve-2021-31405, https://github.com/vaadin/flow-components/pull/442

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5d3f8fc64cc7fb1af253e07c987fd95f6cab4881
    Fixed -1b08b7c688d90e051d74628054ad4cc006e7312e

    Affected versions

    4.0.2
    4.0.1
    4.0.0
    4.0.0.rc1
    4.0.0.beta2
    4.0.0.beta1
    4.0.0.alpha3
    4.0.0.alpha2
    4.0.0.alpha1

    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-2021-31405 | CVE-DB