Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:3.99%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| imperva | web_application_firewall | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.991%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-12-23T00:00:00 |
| Published | 2022-01-14T17:58:09 |
| Last Updated | 2024-08-04T04:39:21 |
Community Chatter & Buzz