CVE-2021-3243: wfiltericf wfilter internet content filter

csirt@kutim:~/threat-intel/cve/CVE-2021-3243

CVSS 6.1 · Medium EPSS 0,73%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada wfiltericf wfilter internet content filter. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

Wfilter ICF 5.0.117 contains a cross-site scripting (XSS) vulnerability. An attacker in the same LAN can craft a packet with a malicious User-Agent header to inject a payload in its logs, where an attacker can take over the system by through its plugin-running function.

Rincian

Terbit di NVD: 15 April 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,73% peluang dieksploitasi; lebih tinggi dari 52,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
wfiltericf	wfilter internet content filter	Versi 5.0.117

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://drivertom.blogspot.com/2021/01/wfilter-icf-0day-rce.html exploit · advisory pihak ketiga

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.