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CVE-2026-20040

Опубликовано: 11 мар. 2026
Источник: nvd
CVSS3: 8.8
EPSS Низкий

Описание

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.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Версия до 25.2.21 (исключая)
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Версия от 25.3.1 (включая) до 25.4.2 (исключая)

EPSS

Процентиль: 7%
0.00172
Низкий

8.8 High

CVSS3

Дефекты

CWE-78

Связанные уязвимости

CVSS3: 8.8
github
5 месяцев назад

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.

CVSS3: 8.8
fstec
5 месяцев назад

Уязвимость интерфейса командной строки (CLI) операционных систем Cisco IOS XR, позволяющая нарушителю повысить свои привилегии до уровня root и выполнить произвольный код

EPSS

Процентиль: 7%
0.00172
Низкий

8.8 High

CVSS3

Дефекты

CWE-78