Neutron
by OpenStack
Source repositories
CVEs (29)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2015-8914 | Cri | 0.59 | 9.1 | 0.04 | Jun 17, 2016 | The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a link-local source address. | ||
| CVE-2016-5362 | Hig | 0.54 | 8.2 | 0.03 | Jun 17, 2016 | The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message. | ||
| CVE-2021-38598 | Cri | 0.52 | 9.1 | 0.01 | Aug 23, 2021 | 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… | ||
| CVE-2024-53916 | Hig | 0.49 | 7.5 | 0.01 | Nov 25, 2024 | In OpenStack Neutron before 25.0.1, neutron/extensions/tagging.py can use an incorrect ID during policy enforcement. It does not apply the proper policy check for changing network tags. An unprivileged tenant is able to change (add and clear) tags on network objects that do not… | ||
| CVE-2016-5363 | Hig | 0.47 | 8.2 | 0.03 | Jun 17, 2016 | The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2)… | ||
| CVE-2026-55707 | Hig | 0.46 | — | 0.00 | Aug 5, 2026 | In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets. An authenticated user can onboard subnets from another project's shared network into their own subnetpool, mutating the victim's subnet state and altering L3… | ||
| CVE-2021-20267 | Hig | 0.46 | 7.1 | 0.01 | May 28, 2021 | 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… | ||
| CVE-2019-10876 | Med | 0.42 | 6.5 | 0.02 | Apr 5, 2019 | An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute… | ||
| CVE-2019-9735 | Med | 0.36 | 6.5 | 0.04 | Mar 13, 2019 | An issue was discovered in the iptables firewall module in OpenStack Neutron before 10.0.8, 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By setting a destination port in a security group rule along with a protocol that doesn't support that option (for example,… | ||
| CVE-2022-3277 | Med | 0.35 | 6.5 | 0.01 | Mar 6, 2023 | An uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to… | ||
| CVE-2021-40797 | Med | 0.35 | 6.5 | 0.02 | Sep 8, 2021 | 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,… | ||
| CVE-2021-40085 | Med | 0.35 | 6.5 | 0.02 | Aug 31, 2021 | 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. | ||
| CVE-2018-14636 | Med | 0.35 | 5.3 | 0.01 | Sep 10, 2018 | Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete.… | ||
| CVE-2018-14635 | Med | 0.35 | 6.5 | 0.03 | Sep 10, 2018 | When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then… | ||
| CVE-2017-7543 | Med | 0.35 | 5.3 | 0.02 | Jul 26, 2018 | A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0:… | ||
| CVE-2026-49299 | Med | 0.34 | — | 0.00 | May 28, 2026 | In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to… | ||
| CVE-2026-50266 | Low | 0.14 | 2.2 | 0.00 | Jun 4, 2026 | In OpenStack Neutron before 28.0.1, a project manager can create or update a port on a shared network owned by another project and set device_owner to a value that has "network:" at the beginning ("network:dhcp" for example). The default port RBAC policies incorrectly included… | ||
| CVE-2015-5240 | 0.00 | — | 0.01 | Oct 27, 2015 | Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before… | |||
| CVE-2015-3221 | 0.00 | — | 0.11 | Aug 26, 2015 | OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool. | |||
| CVE-2014-8153 | 0.00 | — | 0.02 | Jan 15, 2015 | The L3 agent in OpenStack Neutron 2014.2.x before 2014.2.2, when using radvd 2.0+, allows remote authenticated users to cause a denial of service (blocked router update processing) by creating eight routers and assigning an ipv6 non-provider subnet to each. |
- risk 0.59cvss 9.1epss 0.04
The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a link-local source address.
- risk 0.54cvss 8.2epss 0.03
The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.
- risk 0.52cvss 9.1epss 0.01
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…
- risk 0.49cvss 7.5epss 0.01
In OpenStack Neutron before 25.0.1, neutron/extensions/tagging.py can use an incorrect ID during policy enforcement. It does not apply the proper policy check for changing network tags. An unprivileged tenant is able to change (add and clear) tags on network objects that do not…
- risk 0.47cvss 8.2epss 0.03
The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2)…
- risk 0.46cvss —epss 0.00
In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets. An authenticated user can onboard subnets from another project's shared network into their own subnetpool, mutating the victim's subnet state and altering L3…
- risk 0.46cvss 7.1epss 0.01
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…
- risk 0.42cvss 6.5epss 0.02
An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute…
- risk 0.36cvss 6.5epss 0.04
An issue was discovered in the iptables firewall module in OpenStack Neutron before 10.0.8, 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By setting a destination port in a security group rule along with a protocol that doesn't support that option (for example,…
- risk 0.35cvss 6.5epss 0.01
An uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to…
- risk 0.35cvss 6.5epss 0.02
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,…
- risk 0.35cvss 6.5epss 0.02
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.
- risk 0.35cvss 5.3epss 0.01
Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete.…
- risk 0.35cvss 6.5epss 0.03
When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then…
- risk 0.35cvss 5.3epss 0.02
A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0:…
- risk 0.34cvss —epss 0.00
In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to…
- risk 0.14cvss 2.2epss 0.00
In OpenStack Neutron before 28.0.1, a project manager can create or update a port on a shared network owned by another project and set device_owner to a value that has "network:" at the beginning ("network:dhcp" for example). The default port RBAC policies incorrectly included…
- CVE-2015-5240Oct 27, 2015risk 0.00cvss —epss 0.01
Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before…
- CVE-2015-3221Aug 26, 2015risk 0.00cvss —epss 0.11
OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool.
- CVE-2014-8153Jan 15, 2015risk 0.00cvss —epss 0.02
The L3 agent in OpenStack Neutron 2014.2.x before 2014.2.2, when using radvd 2.0+, allows remote authenticated users to cause a denial of service (blocked router update processing) by creating eight routers and assigning an ipv6 non-provider subnet to each.
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