CVE-2020-36320

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    CVE-2020-36320

    Published: 23 Apr 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

    References: https://vaadin.com/security/cve-2020-36320, https://github.com/vaadin/framework/issues/7757, https://github.com/vaadin/framework/pull/12104

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- b29ce01468ed115e942105986da362d665408033
    Fixed -2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4

    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-2020-36320 | CVE-DB