BDU:2026-07293
Уязвимость протокола Border Gateway Protocol (BGP) операционной системы Cisco NX-OS маршрутизаторов Cisco Nexus 3000 Series Switches и Cisco Nexus 9000 Series Switches, позволяющая нарушителю вызвать отказ в обслуживании
📄 Описание
Уязвимость протокола Border Gateway Protocol (BGP) операционной системы Cisco NX-OS маршрутизаторов Cisco Nexus 3000 Series Switches и Cisco Nexus 9000 Series Switches связана с ошибками обработки разрешений. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании
🖥️ Уязвимое ПО
Cisco Systems Inc.
Наименование ПО: NX-OS
Версия ПО: 10.2(1) (NX-OS), 10.2(1q) (NX-OS), 10.2(2) (NX-OS), 10.2(3) (NX-OS), 10.2(2a) (NX-OS), 10.2(3t) (NX-OS), 10.2(4) (NX-OS), 10.2(5) (NX-OS), 10.2(3v) (NX-OS), 10.2(6) (NX-OS), 10.2(7) (NX-OS), 10.2(8) (NX-OS), 10.2(9) (NX-OS), 10.3(1) (NX-OS), 10.3(2) (NX-OS), 10.3(3) (NX-OS), 10.3(99w) (NX-OS), 10.3(3w) (NX-OS), 10.3(99x) (NX-OS), 10.3(3o) (NX-OS), 10.3(4a) (NX-OS), 10.3(3p) (NX-OS), 10.3(4) (NX-OS), 10.3(3q) (NX-OS), 10.3(3x) (NX-OS), 10.3(5) (NX-OS), 10.3(4g) (NX-OS), 10.3(3r) (NX-OS), 10.3(6) (NX-OS), 10.3(4h) (NX-OS), 10.3(7) (NX-OS), 10.3(8) (NX-OS), 10.4(1) (NX-OS), 10.4(2) (NX-OS), 10.4(3) (NX-OS), 10.4(4) (NX-OS), 10.4(5) (NX-OS), 10.4(4g) (NX-OS), 10.4(6) (NX-OS), 10.5(1) (NX-OS), 10.5(2) (NX-OS), 10.5(3) (NX-OS), 10.5(3t) (NX-OS), 10.5(3e) (NX-OS), 10.5(3o) (NX-OS), 10.5(3s) (NX-OS), 10.5(3p) (NX-OS), 10.6(1) (NX-OS), 10.6(1s) (NX-OS)
Тип ПО: Операционная система
ОС / платформа: Cisco Systems Inc. NX-OS 10.2(1) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(1q) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(1) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(1q) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(2) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(3) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(2a) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(3t) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(4) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(5) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(3v) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(6) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(7) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(8) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(9) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(1) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(2) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(99w) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3w) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(99x) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3o) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(4a) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3p) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(4) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3q) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3x) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(5) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(4g) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(3r) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(6) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(4h) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(7) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.3(8) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(1) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(2) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(3) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(4) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(5) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(4g) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.4(6) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(1) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(2) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3t) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3e) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3o) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3s) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.5(3p) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.6(1) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.6(1s) Nexus 3000 Series, Cisco Systems Inc. NX-OS 10.2(2) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(3) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(2a) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(3t) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(4) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(5) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(3v) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(6) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(7) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(8) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.2(9) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(1) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(2) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(99w) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3w) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(99x) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3o) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(4a) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3p) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(4) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3q) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3x) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(5) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(4g) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(3r) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(6) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(4h) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(7) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.3(8) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(1) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(2) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(3) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(4) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(5) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(4g) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.4(6) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(1) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(2) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3t) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3e) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3o) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3s) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.5(3p) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.6(1) Nexus 9000 Series, Cisco Systems Inc. NX-OS 10.6(1s) Nexus 9000 Series
⚙️ Технические сведения
Тип ошибки
Реализация некорректного потока управления (CWE-670)
Класс уязвимости
Уязвимость кода
Дата выявления
20.05.2026
Способ эксплуатации
Манипулирование ресурсами
Способ устранения
Обновление программного обеспечения
Статус уязвимости
Подтверждена производителем
Наличие эксплойта
Данные уточняются
Устранение
Уязвимость устранена
📊 CVSS
CVSS 2.0
AV:N/AC:H/Au:N/C:N/I:N/A:C
CVSS 3.0
AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
⚠️ Уровень опасности
Средний уровень опасности (базовая оценка CVSS 2.0 составляет 5,4)
Средний уровень опасности (базовая оценка CVSS 3.1 составляет 6,8)
🏷️ Идентификаторы
CVE-2026-20171
📅 Даты
Дата публикации
26.05.2026
Последнее обновление
26.05.2026
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