CVE-2020-27383: blizzard battle.net

csirt@kutim:~/threat-intel/cve/CVE-2020-27383

CVSS 7.8 · High EPSS 0,32%

Kerentanan Improper Preservation of Permissions pada blizzard battle.net. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the "Authenticated Users Group" which grants the (F) Flag aka "Full Control"

Rincian

Terbit di NVD: 9 Juni 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-281: Improper Preservation of Permissions
EPSS (30 hari): 0,32% peluang dieksploitasi; lebih tinggi dari 23,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
blizzard	battle.net	Versi 1.27.1.12428

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation 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.