CVE-2021-4226

RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

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

References

Link	Resource
https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352	Exploit Third Party Advisory
https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:rsjoomla:rsfirewall\!:*:*:*:*:*:wordpress:*:*

History

21 Apr 2025, 15:15

Type	Values Removed	Values Added
CWE		CWE-345

Information

Published : 2022-12-15 19:15

Updated : 2025-04-21 15:15

NVD link : CVE-2021-4226

Mitre link : CVE-2021-4226

CVE.ORG link : CVE-2021-4226

JSON object : View

Products Affected

rsjoomla

rsfirewall\!

CWE

CWE-345

Insufficient Verification of Data Authenticity

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