Description
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.
Published: 2021-05-19
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-1177 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.
Github GHSA Github GHSA GHSA-rc4q-9m69-gqp8 Lack of protection against cookie tossing attacks in fastify-csrf
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00268}

epss

{'score': 0.00254}


Subscriptions

Fastify Fastify-csrf
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-03T22:11:06.350Z

Reserved: 2021-03-30T00:00:00.000Z

Link: CVE-2021-29624

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-19T22:15:07.837

Modified: 2024-11-21T06:01:31.150

Link: CVE-2021-29624

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses