CVE-2021-43033

Katalog CVE

CVSS 9.8 · Critical EPSS 6,2%

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

Deskripsi (NVD)

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.

Rincian

Terbit di NVD

6 Desember 2021

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)

6,2% peluang dieksploitasi; lebih tinggi dari 93,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 advisory vendor
• https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1 exploit · advisory pihak ketiga
• https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2 exploit · advisory pihak ketiga