CVE-2019-18894: avast premium security

csirt@kutim:~/threat-intel/cve/CVE-2019-18894

CVSS 7.8 · High EPSS 1,8%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada avast premium security. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.

Rincian

Terbit di NVD: 13 Januari 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): 1,8% peluang dieksploitasi; lebih tinggi dari 77,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
avast	premium security	Versi 19.8.2393

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/ 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.