Improper Input Validation Affecting fastify-http-proxy package, versions <4.3.1
Threat Intelligence
EPSS
0.22% (61st
percentile)
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Test your applications- Snyk ID SNYK-JS-FASTIFYHTTPPROXY-1080743
- published 2 Mar 2021
- disclosed 2 Mar 2021
- credit Unknown
Introduced: 2 Mar 2021
CVE-2021-21322 Open this link in a new tabHow to fix?
Upgrade fastify-http-proxy to version 4.3.1 or higher.
Overview
fastify-http-proxy is a proxy http requests, for Fastify
Affected versions of this package are vulnerable to Improper Input Validation. It is possible to escape the prefix of the proxied backend service by a specially crafted URL. For instance, where the base url of the proxied server is /pub/, a user could gain access to /priv on the target service.
References
CVSS Scores
version 3.1