CVE-2022-31814

CRITICAL
Published Sep 5, 20223y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Sep 5, 2022 3y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

Affected Products 1

VendorProductVersionRange
netgatepfblockerng* ≤2.1.4_26

References 6

  • packetstormsecurity.com http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html
    ExploitThird Party AdvisoryVDB Entry
  • packetstormsecurity.com http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
  • docs.netgate.com https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
    Release NotesVendor Advisory
  • github.com https://github.com/pfsense/FreeBSD-ports/pull/1169
  • github.com https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
  • ihteam.net https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
    ExploitTechnical DescriptionThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.