Vulnerability Monitor

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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.

Published

2022-12-15T19:15:16.410

Last Modified

2025-05-27T21:06:17.210

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
  • Type: Secondary
    CWE-345
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application rsjoomla rsfirewall\! < 1.1.25 Yes
References