csirt@kutim:~/threat-intel/cve/CVE-2021-34726

Katalog CVE

CVSS 6.7 · Medium EPSS 0,37%

Kerentanan Improper Neutralization of Special Elements used in a Command ('Command Injection') pada cisco sd-wan. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system of an affected device. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges.

Rincian

Terbit di NVD
23 September 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS (30 hari)
0,37% peluang dieksploitasi; lebih tinggi dari 28,6% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco sd-wan Semua versi sebelum 18.4.6
cisco sd-wan Versi 19.2.0 hingga sebelum 19.2.3
cisco sd-wan Versi 20.1 hingga sebelum 20.1.2
cisco sd-wan Versi 20.3 hingga sebelum 20.3.1
cisco sd-wan Versi 20.4 hingga sebelum 20.4.1
cisco sd-wan Versi 20.5 hingga sebelum 20.5.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.