// For flags

CVE-2022-31814

pfBlockerNG 2.1.4_26 - Remote Code Execution (RCE)

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

15
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

pfSense pfBlockerNG versiones hasta 2.1.4_26, permite a atacantes remotos ejecutar comandos arbitrarios del Sistema Operativo como root por medio de metacaracteres de shell en el encabezado HTTP Host. NOTA: la versión 3.x no está afectada

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2022-05-31 CVE Reserved
  • 2022-09-05 CVE Published
  • 2022-10-17 First Exploit
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Netgate
Search vendor "Netgate"
 Pfblockerng
Search vendor "Netgate" for product "Pfblockerng"
 <= 2.1.4_26
Search vendor "Netgate" for product "Pfblockerng" and version " <= 2.1.4_26"
pfsense
Affected