CVE-2021-4226

Published: Dec 15, 2022

Modified: Apr 21, 2025

PUBLISHED

RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.

Vendor	Product	Versions
Unknown	RSFirewall!	affected `0 - < 1.1.25`

exploit

vdb-entry

technical-description

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.