Remote Command Execution in pfBlockerNG by Netgate
CVE-2022-40624

9.8CRITICAL

Key Information:

Vendor

Pfsense

Status
Pfblockerng
Vendor
CVE Published:
20 December 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 87%

What is CVE-2022-40624?

A vulnerability in pfBlockerNG, a package for pfSense developed by Netgate, allows remote attackers to execute arbitrary operating system commands with root privileges. This exploitation occurs through manipulation of the HTTP Host header. Affected versions include pfBlockerNG version 2.1.4_27. Addressing this vulnerability is crucial for maintaining system security and preventing unauthorized access.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

pfBlockerNg-CVE-2022-40624
Created by dhammon

References

https://docs.netgate.com/pfsense/en/latest/packages/pfblo...
https://github.com/dhammon/pfBlockerNg-RCE
https://github.com/dhammon/pfBlockerNg-CVE-2022-40624

EPSS Score

87% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.