CVE-2021-45468
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Imperva Web Application Firewall
PublishedJan 14, 2022
First seenJan 14, 2022
How to fix
Update
- imperva web_application_firewall2021-12-23 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| imperva web_application_firewall | v < 2021-12-23 | 2021-12-23 |
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