CVE-2026-20040

Katalog CVE

CVSS 8.8 · High EPSS 0,18%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada cisco ios xr. Skor CVSS 3.1 8.8 (High) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root and execute arbitrary commands on the underlying operating system.

Rincian

Terbit di NVD

11 Maret 2026

Terakhir diubah

1 Juli 2026

Status NVD

Analyzed

CVSS 3.1

8.8 (High), sumber cisco.com
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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)

0,18% peluang dieksploitasi; lebih tinggi dari 6,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W advisory vendor