CVE-2021-29624

    Dashboard / Vulnerabilities / CVE-2021-29624

    CVE-2021-29624

    Published: 19 May 2021Last Modified: 27 Aug 2026

    Summary:

    Details: fastify-csrf is an open-source plugin helps developers protect their Fastify server against CSRF attacks. Versions of fastify-csrf prior to 3.1.0 have a "double submit" mechanism using cookies with an application deployed across multiple subdomains, e.g. "heroku"-style platform as a service. Version 3.1.0 of the fastify-csrf fixes it. the vulnerability. The user of the module would need to supply a `userInfo` when generating the CSRF token to fully implement the protection on their end. This is needed only for applications hosted on different subdomains.

    References: https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html, https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0, https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf, https://github.com/fastify/csrf/pull/2, https://github.com/fastify/fastify-csrf/pull/51, https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -04d05fb613817cb8c723893c241820e1633881a4

    Affected versions

    v3.0.1
    v3.0.0

    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-2021-29624 | CVE-DB