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CVE-2021-20267

Опубликовано: 28 мая 2021
Источник: nvd
CVSS3: 7.1
CVSS2: 5.5
EPSS Низкий

Описание

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations. Only deployments using the Open vSwitch driver are affected. Source: OpenStack project. Versions before openstack-neutron 15.3.3, openstack-neutron 16.3.1 and openstack-neutron 17.1.1 are affected.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
Версия до 16.3.3 (исключая)
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
Версия от 17.0.0 (включая) до 17.1.3 (исключая)
cpe:2.3:a:openstack:neutron:18.0.0:*:*:*:*:*:*:*
Конфигурация 2

Одно из

cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:16.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:16.2:*:*:*:*:*:*:*

EPSS

Процентиль: 32%
0.00123
Низкий

7.1 High

CVSS3

5.5 Medium

CVSS2

Дефекты

CWE-345

Связанные уязвимости

CVSS3: 7.1
ubuntu
больше 4 лет назад

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations. Only deployments using the Open vSwitch driver are affected. Source: OpenStack project. Versions before openstack-neutron 15.3.3, openstack-neutron 16.3.1 and openstack-neutron 17.1.1 are affected.

CVSS3: 7.1
redhat
больше 5 лет назад

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations. Only deployments using the Open vSwitch driver are affected. Source: OpenStack project. Versions before openstack-neutron 15.3.3, openstack-neutron 16.3.1 and openstack-neutron 17.1.1 are affected.

CVSS3: 7.1
debian
больше 4 лет назад

A flaw was found in openstack-neutron's default Open vSwitch firewall ...

CVSS3: 7.1
github
больше 3 лет назад

Openstack Neutron has Insufficient Verification of IPv6 addresses

CVSS3: 7.1
fstec
больше 5 лет назад

Уязвимость правил брандмауэра Open vSwitch сетевого сервиса Neutron, связанная с недостаточной проверкой подлинности данных, позволяющая нарушителю получить доступ к конфиденциальным данным, а также вызвать отказ в обслуживании

EPSS

Процентиль: 32%
0.00123
Низкий

7.1 High

CVSS3

5.5 Medium

CVSS2

Дефекты

CWE-345