CVE-2022-31814

Public Exploit

Description

pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 94.39% Top 5%
Vendor Advisory netgate.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html release notes vendor advisory
https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/ exploit third party advisory technical description
http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html exploit vdb entry third party advisory
http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
https://github.com/pfsense/FreeBSD-ports/pull/1169
https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e

Frequently Asked Questions

What is the severity of CVE-2022-31814?
CVE-2022-31814 has been scored as a critical severity vulnerability.
How to fix CVE-2022-31814?
To fix CVE-2022-31814, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-31814 being actively exploited in the wild?
It is possible that CVE-2022-31814 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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