VulnerabilityAnalyzed
CVE-2021-4226
A bypass is possible due to the way it is implemented.
CRITICAL 9.8EPSS 0.51%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.51% probability · 42th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-345
- Affected
- rsjoomla/rsfirewall\!
- Source
- contact@wpscan.com
References
- https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.