CVE-2022-31814: netgate pfblockerng

csirt@kutim:~/threat-intel/cve/CVE-2022-31814

CVSS 9.8 · Critical EPSS 91,9%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada netgate pfblockerng. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 5 September 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS (30 hari): 91,9% peluang dieksploitasi; lebih tinggi dari 99,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
netgate	pfblockerng	Semua versi hingga 2.1.4_26

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html release notes · advisory vendor
http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html exploit · advisory pihak ketiga · vdb entry
https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/ exploit · deskripsi teknis · advisory pihak ketiga
http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
https://github.com/pfsense/FreeBSD-ports/pull/1169
https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.