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CVE-2022-31814

Date: September 4, 2022

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.

Language: PHP

Severity Score

Related Resources (8)

http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html
https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
https://nvd.nist.gov/vuln/detail/CVE-2022-31814
https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
https://github.com/pfsense/FreeBSD-ports/pull/1169
http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
https://www.mend.io/vulnerability-database/CVE-2022-31814

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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