Back to Database
Status published
Critical
CVE-2021-45468
Imperva Web Application Firewall (WAF) before 2021-12-23 allows remote unauthenticated...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-45468
Credits & Attribution
No credits recorded in the NVD database.
More from imperva
View All →CVE-2018-19646
The Python CGI scripts in PWS in Imperva SecureSphere 13.0.10,...
Critical
9.8
CVE-2018-16660
A command injection vulnerability in PWS in Imperva SecureSphere 13.0.0.10...
High
8.8
CVE-2013-4095
plain/actionsets.html in the SecureSphere Operations Manager (SOM) Management Server in...
Medium
6.5
CVE-2013-4094
The Key Management feature in the SecureSphere Operations Manager (SOM)...
Medium
6.5
CVE-2013-4093
The SecureSphere Operations Manager (SOM) Management Server in Imperva SecureSphere...
Medium
5
Affected Vendor
imperva
View all reports →Affected Software
web application firewall
Vulnerable Versions:
0
Timeline
Official Publish:
January 14th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.