CVE-2021-45468

Imperva Web Application Firewall (WAF) before 2021-12-23 allows remote unauthenticated attackers to use "Content-Encoding: gzip" to evade WAF security controls and send malicious HTTP POST requests to web servers behind the WAF.

Date published : 2022-01-14

https://bishopfox.com/blog/imperva-eliminates-critical-exposure