CVE-2022-40624

CRITICAL
Published Dec 20, 20223y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 20, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

Description

pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host header, a different vulnerability than CVE-2022-31814.

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
pfsensepfblockerng* <2.1.4_27

References 3

  • docs.netgate.com https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
    Vendor Advisory
  • github.com https://github.com/dhammon/pfBlockerNg-CVE-2022-40624
    ExploitThird Party Advisory
  • github.com https://github.com/dhammon/pfBlockerNg-RCE
    Broken Link

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.