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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bishopfox.com/blog/imperva-eliminates-critical-exposure	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:imperva:web_application_firewall:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-01-14 18:15

Updated : 2022-01-21 19:57

NVD link : CVE-2021-45468

Mitre link : CVE-2021-45468

CVE.ORG link : CVE-2021-45468

JSON object : View

Products Affected

imperva

web_application_firewall

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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9.8 /10