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OpenstackNeutron

4 matches found

CVE
CVE•added 2021/05/28 7:15 p.m.•106 views

CVE-2021-20267

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 cas...

7.1CVSS7.2AI score0.0015EPSS
CVE
CVE•added 2021/08/31 6:15 p.m.•99 views

CVE-2021-40085

An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.

6.5CVSS6.3AI score0.0031EPSS
CVE
CVE•added 2021/08/23 5:15 a.m.•84 views

CVE-2021-38598

OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can...

9.1CVSS8.9AI score0.00032EPSS
CVE
CVE•added 2021/09/08 8:15 p.m.•71 views

CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API perform...

6.5CVSS6.3AI score0.00344EPSS