BDU:2025-10322 | Уязвимость функции безопасности DHCP Snooping опер

📄 Описание

Уязвимость функции безопасности DHCP Snooping операционных систем Cisco IOS XE связана с неконтролируемым расходом ресурсов. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании

🖥️ Уязвимое ПО

Cisco Systems Inc.

Наименование ПО: Cisco IOS XE

Версия ПО: 16.12.1 (Cisco IOS XE), 16.11.1 (Cisco IOS XE), 16.11.1a (Cisco IOS XE), 16.11.1s (Cisco IOS XE), 16.11.1c (Cisco IOS XE), 16.12.1a (Cisco IOS XE), 16.12.1c (Cisco IOS XE), 16.12.1s (Cisco IOS XE), 16.11.2 (Cisco IOS XE), 17.2.1 (Cisco IOS XE), 17.1.1 (Cisco IOS XE), 16.12.2 (Cisco IOS XE), 16.12.2s (Cisco IOS XE), 16.12.2t (Cisco IOS XE), 16.12.4 (Cisco IOS XE), 16.12.3s (Cisco IOS XE), 17.1.1s (Cisco IOS XE), 17.1.2 (Cisco IOS XE), 17.1.1t (Cisco IOS XE), 17.1.3 (Cisco IOS XE), 17.2.1r (Cisco IOS XE), 17.2.1v (Cisco IOS XE), 17.2.2 (Cisco IOS XE), 17.3.1 (Cisco IOS XE), 17.3.1a (Cisco IOS XE), 17.6.1 (Cisco IOS XE), 17.9.1 (Cisco IOS XE), 17.9.1a (Cisco IOS XE), 17.11.1 (Cisco IOS XE), 17.11.1a (Cisco IOS XE), 17.12.1 (Cisco IOS XE), 17.12.1a (Cisco IOS XE), 17.10.1 (Cisco IOS XE), 17.10.1a (Cisco IOS XE), 16.12.3 (Cisco IOS XE), 16.12.8 (Cisco IOS XE), 16.12.5 (Cisco IOS XE), 16.12.6 (Cisco IOS XE), 16.12.7 (Cisco IOS XE), 17.8.1 (Cisco IOS XE), 17.9.2 (Cisco IOS XE), 17.9.3 (Cisco IOS XE), 17.9.4 (Cisco IOS XE), 17.9.4a (Cisco IOS XE), 17.7.1 (Cisco IOS XE), 17.6.5a (Cisco IOS XE), 17.6.6a (Cisco IOS XE), 17.6.6 (Cisco IOS XE), 17.6.2 (Cisco IOS XE), 17.6.3 (Cisco IOS XE), 17.6.4 (Cisco IOS XE), 17.6.5 (Cisco IOS XE), 17.3.2 (Cisco IOS XE), 17.3.3 (Cisco IOS XE), 17.3.4 (Cisco IOS XE), 17.3.5 (Cisco IOS XE), 17.3.6 (Cisco IOS XE), 17.3.7 (Cisco IOS XE), 17.3.8 (Cisco IOS XE), 17.3.8a (Cisco IOS XE), 17.4.1 (Cisco IOS XE), 17.5.1 (Cisco IOS XE), 17.2.3 (Cisco IOS XE), 17.3.4a (Cisco IOS XE), 17.4.1a (Cisco IOS XE), 17.4.1b (Cisco IOS XE), 17.4.1c (Cisco IOS XE), 17.4.2 (Cisco IOS XE), 17.5.1a (Cisco IOS XE), 17.5.1b (Cisco IOS XE), 17.5.1c (Cisco IOS XE), 17.6.1a (Cisco IOS XE), 17.6.3a (Cisco IOS XE), 17.7.1a (Cisco IOS XE), 17.7.2 (Cisco IOS XE), 17.8.1a (Cisco IOS XE), 17.9.2a (Cisco IOS XE), 17.9.3a (Cisco IOS XE), 17.12.2 (Cisco IOS XE), 17.6.1y (Cisco IOS XE), 17.9.5a (Cisco IOS XE), 17.12.3a (Cisco IOS XE), 17.13.1 (Cisco IOS XE), 17.13.1a (Cisco IOS XE), 17.14.1 (Cisco IOS XE), 17.14.1a (Cisco IOS XE), 17.6.7 (Cisco IOS XE), 17.9.5 (Cisco IOS XE), 17.12.3 (Cisco IOS XE), 17.9.5e (Cisco IOS XE), 17.9.5f (Cisco IOS XE), 17.12.4 (Cisco IOS XE), 17.12.4a (Cisco IOS XE), 17.12.4b (Cisco IOS XE), 17.6.8a (Cisco IOS XE), 17.15.1 (Cisco IOS XE), 17.15.1a (Cisco IOS XE), 17.6.8 (Cisco IOS XE), 17.9.6 (Cisco IOS XE)

Тип ПО: Операционная система, ПО сетевого программно-аппаратного средства

ОС / платформа: Cisco Systems Inc. Cisco IOS XE 16.12.1 , Cisco Systems Inc. Cisco IOS XE 16.11.1 , Cisco Systems Inc. Cisco IOS XE 16.11.1a , Cisco Systems Inc. Cisco IOS XE 16.11.1s , Cisco Systems Inc. Cisco IOS XE 16.11.1c , Cisco Systems Inc. Cisco IOS XE 16.12.1a , Cisco Systems Inc. Cisco IOS XE 16.12.1c , Cisco Systems Inc. Cisco IOS XE 16.12.1s , Cisco Systems Inc. Cisco IOS XE 16.11.2 , Cisco Systems Inc. Cisco IOS XE 17.2.1 , Cisco Systems Inc. Cisco IOS XE 17.1.1 , Cisco Systems Inc. Cisco IOS XE 16.12.2 , Cisco Systems Inc. Cisco IOS XE 16.12.2s , Cisco Systems Inc. Cisco IOS XE 16.12.2t , Cisco Systems Inc. Cisco IOS XE 16.12.4 , Cisco Systems Inc. Cisco IOS XE 16.12.3s , Cisco Systems Inc. Cisco IOS XE 17.1.1s , Cisco Systems Inc. Cisco IOS XE 17.1.2 , Cisco Systems Inc. Cisco IOS XE 17.1.1t , Cisco Systems Inc. Cisco IOS XE 17.1.3 , Cisco Systems Inc. Cisco IOS XE 17.2.1r , Cisco Systems Inc. Cisco IOS XE 17.2.1v , Cisco Systems Inc. Cisco IOS XE 17.2.2 , Cisco Systems Inc. Cisco IOS XE 17.3.1 , Cisco Systems Inc. Cisco IOS XE 17.3.1a , Cisco Systems Inc. Cisco IOS XE 17.6.1 , Cisco Systems Inc. Cisco IOS XE 17.9.1 , Cisco Systems Inc. Cisco IOS XE 17.9.1a , Cisco Systems Inc. Cisco IOS XE 17.11.1 , Cisco Systems Inc. Cisco IOS XE 17.11.1a , Cisco Systems Inc. Cisco IOS XE 17.12.1 , Cisco Systems Inc. Cisco IOS XE 17.12.1a , Cisco Systems Inc. Cisco IOS XE 17.10.1 , Cisco Systems Inc. Cisco IOS XE 17.10.1a , Cisco Systems Inc. Cisco IOS XE 16.12.3 , Cisco Systems Inc. Cisco IOS XE 16.12.8 , Cisco Systems Inc. Cisco IOS XE 16.12.5 , Cisco Systems Inc. Cisco IOS XE 16.12.6 , Cisco Systems Inc. Cisco IOS XE 16.12.7 , Cisco Systems Inc. Cisco IOS XE 17.8.1 , Cisco Systems Inc. Cisco IOS XE 17.9.2 , Cisco Systems Inc. Cisco IOS XE 17.9.3 , Cisco Systems Inc. Cisco IOS XE 17.9.4 , Cisco Systems Inc. Cisco IOS XE 17.9.4a , Cisco Systems Inc. Cisco IOS XE 17.7.1 , Cisco Systems Inc. Cisco IOS XE 17.6.5a , Cisco Systems Inc. Cisco IOS XE 17.6.6a , Cisco Systems Inc. Cisco IOS XE 17.6.6 , Cisco Systems Inc. Cisco IOS XE 17.6.2 , Cisco Systems Inc. Cisco IOS XE 17.6.3 , Cisco Systems Inc. Cisco IOS XE 17.6.4 , Cisco Systems Inc. Cisco IOS XE 17.6.5 , Cisco Systems Inc. Cisco IOS XE 17.3.2 , Cisco Systems Inc. Cisco IOS XE 17.3.3 , Cisco Systems Inc. Cisco IOS XE 17.3.4 , Cisco Systems Inc. Cisco IOS XE 17.3.5 , Cisco Systems Inc. Cisco IOS XE 17.3.6 , Cisco Systems Inc. Cisco IOS XE 17.3.7 , Cisco Systems Inc. Cisco IOS XE 17.3.8 , Cisco Systems Inc. Cisco IOS XE 17.3.8a , Cisco Systems Inc. Cisco IOS XE 17.4.1 , Cisco Systems Inc. Cisco IOS XE 17.5.1 , Cisco Systems Inc. Cisco IOS XE 17.2.3 , Cisco Systems Inc. Cisco IOS XE 17.3.4a , Cisco Systems Inc. Cisco IOS XE 17.4.1a , Cisco Systems Inc. Cisco IOS XE 17.4.1b , Cisco Systems Inc. Cisco IOS XE 17.4.1c , Cisco Systems Inc. Cisco IOS XE 17.4.2 , Cisco Systems Inc. Cisco IOS XE 17.5.1a , Cisco Systems Inc. Cisco IOS XE 17.5.1b , Cisco Systems Inc. Cisco IOS XE 17.5.1c , Cisco Systems Inc. Cisco IOS XE 17.6.1a , Cisco Systems Inc. Cisco IOS XE 17.6.3a , Cisco Systems Inc. Cisco IOS XE 17.7.1a , Cisco Systems Inc. Cisco IOS XE 17.7.2 , Cisco Systems Inc. Cisco IOS XE 17.8.1a , Cisco Systems Inc. Cisco IOS XE 17.9.2a , Cisco Systems Inc. Cisco IOS XE 17.9.3a , Cisco Systems Inc. Cisco IOS XE 17.12.2 , Cisco Systems Inc. Cisco IOS XE 17.6.1y , Cisco Systems Inc. Cisco IOS XE 17.9.5a , Cisco Systems Inc. Cisco IOS XE 17.12.3a , Cisco Systems Inc. Cisco IOS XE 17.13.1 , Cisco Systems Inc. Cisco IOS XE 17.13.1a , Cisco Systems Inc. Cisco IOS XE 17.14.1 , Cisco Systems Inc. Cisco IOS XE 17.14.1a , Cisco Systems Inc. Cisco IOS XE 17.6.7 , Cisco Systems Inc. Cisco IOS XE 17.9.5 , Cisco Systems Inc. Cisco IOS XE 17.12.3 , Cisco Systems Inc. Cisco IOS XE 17.9.5e , Cisco Systems Inc. Cisco IOS XE 17.9.5f , Cisco Systems Inc. Cisco IOS XE 17.12.4 , Cisco Systems Inc. Cisco IOS XE 17.12.4a , Cisco Systems Inc. Cisco IOS XE 17.12.4b , Cisco Systems Inc. Cisco IOS XE 17.6.8a , Cisco Systems Inc. Cisco IOS XE 17.15.1 , Cisco Systems Inc. Cisco IOS XE 17.15.1a , Cisco Systems Inc. Cisco IOS XE 17.6.8 , Cisco Systems Inc. Cisco IOS XE 17.9.6

⚙️ Технические сведения

Тип ошибки

Неконтролируемый расход ресурса («Истощение ресурса») (CWE-400)

Класс уязвимости

Уязвимость кода

Дата выявления

07.05.2025

Способ эксплуатации

Исчерпание ресурсов

Способ устранения

Обновление программного обеспечения

Статус уязвимости

Подтверждена производителем

Наличие эксплойта

Данные уточняются

Устранение

Уязвимость устранена

📊 CVSS

CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.0

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

⚠️ Уровень опасности

Высокий уровень опасности (базовая оценка CVSS 2.0 составляет 7,8)
Высокий уровень опасности (базовая оценка CVSS 3.1 составляет 8,6)

🔗 Источники и меры

🔗 https://sec.cloudapps.cisco.com/security/center/co...

🏷️ Идентификаторы

CVE-2025-20162

📅 Даты

Дата публикации

27.08.2025

Последнее обновление

27.08.2025

Детали уязвимости