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    CVE-2021-31404

    Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.

    Published:Apr 23, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 23, 2021
    EPSS Score:0.00049
    CVSS Score:4

    Affected Products

    Vendor
    Vaadin
    Product
    Flow
    Vendor
    Vaadin
    Product
    Vaadin

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-2742 (CVSS 5.3) — An authentication bypass vulnerability exists in Vaadin 14.0.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 …
    CVE-2026-2741 (CVSS 2.3) — Specially crafted ZIP archives can escape the intended extraction directory during Node.js download and extrac…
    CVE-2025-9467 (CVSS 5.3) — When the Vaadin Upload's start listener is used to validate metadata about an incoming upload, it is possible …
    CVE-2021-31412 (CVSS 5.3) — Improper sanitization of path in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 thro…
    CVE-2021-31411 (CVSS 6.3) — Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 th…
    CVE-2021-31408 (CVSS 6.3) — Authentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 …
    CVE-2021-31407 (CVSS 8.6) — Vulnerability in OSGi integration in com.vaadin:flow-server versions 1.2.0 through 2.4.7 (Vaadin 12.0.0 throug…
    CVE-2021-31406 (CVSS 4) — Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0…
    CVE-2021-31405 (CVSS 7.5) — Unsafe validation RegEx in EmailField component in com.vaadin:vaadin-text-field-flow versions 2.0.4 through 2.…

    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