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 2022-12-15 19:15:16
Updated 2022-12-20 16:19:04
Source WPScan
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-4226

0.25%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4226

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2021-4226

References for CVE-2021-4226

Products affected by CVE-2021-4226

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