Related Vulnerabilities: CVE-2021-33193  

A security issue has been found in Apache httpd. mod_proxy is vulnerable to request line injections when using HTTP/2.

Severity Medium

Remote Yes

Type Url request injection

Description

A security issue has been found in Apache httpd. mod_proxy is vulnerable to request line injections when using HTTP/2.

AVG-2289 apache 2.4.48-1 Medium Vulnerable

https://portswigger.net/research/http2
https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c