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CVE-2021-34697

Опубликовано: 23 сент. 2021
Источник: nvd
CVSS3: 5.8
CVSS3: 8.6
CVSS2: 5
EPSS Низкий

Описание

A vulnerability in the Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct denial of service (DoS) attacks to or through the affected device. This vulnerability is due to incorrect programming of the half-opened connections limit, TCP SYN flood limit, or TCP SYN cookie features when the features are configured in vulnerable releases of Cisco IOS XE Software. An attacker could exploit this vulnerability by attempting to flood traffic to or through the affected device. A successful exploit could allow the attacker to initiate a DoS attack to or through an affected device.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
Версия от 17.3.1 (включая) до 17.3.3 (исключая)

EPSS

Процентиль: 64%
0.00468
Низкий

5.8 Medium

CVSS3

8.6 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-665
CWE-665

Связанные уязвимости

github
больше 3 лет назад

A vulnerability in the Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct denial of service (DoS) attacks to or through the affected device. This vulnerability is due to incorrect programming of the half-opened connections limit, TCP SYN flood limit, or TCP SYN cookie features when the features are configured in vulnerable releases of Cisco IOS XE Software. An attacker could exploit this vulnerability by attempting to flood traffic to or through the affected device. A successful exploit could allow the attacker to initiate a DoS attack to or through an affected device.

CVSS3: 5.8
fstec
больше 4 лет назад

Уязвимость функции защиты Protection Against Distributed Denial of Service Attacks операционных систем Cisco IOS XE, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 64%
0.00468
Низкий

5.8 Medium

CVSS3

8.6 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-665
CWE-665