CVE-2021-45468

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/14/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

imperva:web_application_firewall

Weaknesses (CWE)

CWE-444

References

https://bishopfox.com/blog/imperva-eliminates-critical-exposure(cve@mitre.org)

https://bishopfox.com/blog/imperva-eliminates-critical-exposure(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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