CVE-2024-22207: fastify-swagger-ui is a Fastify plugin for serving Swagger UI. Prior to 2.1.0, the default configuration of `@fastify/swagger-ui` without `baseDir` s...

Description

fastify-swagger-ui is a Fastify plugin for serving Swagger UI. Prior to 2.1.0, the default configuration of `@fastify/swagger-ui` without `baseDir` set will lead to all files in the module's directory being exposed via http routes served by the module. The vulnerability is fixed in v2.1.0. Setting the `baseDir` option can also work around this vulnerability.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

2.00%

78.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

Affected Software

Vendor	Product	Versions
Smartbear	Swagger Ui	>= 2.0.0, < 2.1.0

References

Timeline

Published: Jan 15, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-22207?

fastify-swagger-ui is a Fastify plugin for serving Swagger UI. Prior to 2.1.0, the default configuration of `@fastify/swagger-ui` without `baseDir` set will lead to all files in the module's directory being exposed via http routes served by the module. The vulnerability is fixed in v2.1.0. Setting the `baseDir` option can also work around this vulnerability.

How severe is CVE-2024-22207?

CVE-2024-22207 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.

How do I fix CVE-2024-22207?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.