AUGUST 4, 2026
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Case File

CVE-2021-45468

CRITICAL · CVSS 9.8 EPSS 3.99%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-14 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-45468
Severity
CRITICAL
CVSS
9.8
EPSS
3.99%

Original NVD 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.