CVE-2021-22676: advantech webaccess/scada

csirt@kutim:~/threat-intel/cve/CVE-2021-22676

CVSS 6.1 · Medium EPSS 0,64%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada advantech webaccess/scada. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).

Rincian

Terbit di NVD: 10 Agustus 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): 0,64% peluang dieksploitasi; lebih tinggi dari 49,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
advantech	webaccess/scada	Semua versi sebelum 8.4.5
advantech	webaccess/scada	Versi 9.0 hingga sebelum 9.0.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04 advisory pihak ketiga · pemerintah AS

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.