NE
Product
Neutron
by OpenStack · last CVE Aug 5, 2026
28
CVEs
0
On KEV
9.1
Max CVSS
0
New 30D
Severity mix
Critical 2High 4Medium 9Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-38598
9.1
1%
Aug 23
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…
Affected: before 16.4.1; 17.0.0 before 17.1.3; 18.0.0
CVE-2015-8914
9.1
4%
Jun 17
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…
Affected: 7.0.0 before 7.0.4; 8.0.0 through 8.1.0
CVE-2016-5363
8.2
3%
Jun 17
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…
Affected: 7.0.0; 7.0.1; 7.0.2; 7.0.3; 7.0.4; 8.0.0; +1 more
CVE-2016-5362
8.2
3%
Jun 17
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…
Affected: 7.0.0 before 7.0.4; 8.0.0 through 8.1.0
CVE-2026-55707
7.1
0%
Aug 5
In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets
Affected: 14.0.0 before 26.0.6; 27.0.0 before 27.0.4; 28.0.0 before 28.0.2
CVE-2021-20267
7.1
1%
May 28
A flaw was found in openstack-neutron's default Open vSwitch firewall rules
Affected: before 16.3.3; 17.0.0 before 17.1.3; 18.0.0
CVE-2022-3277
6.5
1%
Mar 6
An uncontrolled resource consumption flaw was found in openstack-neutron
Affected: before 18.6.0; 19.0.0 before 19.5.0
CVE-2021-40797
6.5
2%
Sep 8
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
Affected: before 16.4.1; 17.0.0 before 17.2.1; 18.0.0 before 18.1.1
CVE-2021-40085
6.5
2%
Aug 31
An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1
Affected: before 16.4.1; 17.0.0 before 17.2.1; 18.0.0 before 18.1.1
CVE-2019-10876
6.5
2%
Apr 5
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
Affected: 11.0.0 before 11.0.7; 12.0.0 before 12.0.6; 13.0.0 before 13.0.3
CVE-2019-9735
6.5
4%
Mar 13
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
Affected: before 10.0.8; 11.0.0 before 11.0.7; 12.0.0 before 12.0.6; 13.0.0 before 13.0.3
CVE-2018-14635
6.5
3%
Sep 10
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
Affected: 11.0.0 through 11.0.5; 12.0.0 through 12.0.3; 13.0.0.0
CVE-2017-7543
5.9
2%
Jul 26
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…
Affected: 7.0.0 before 7.2.0-12.1; 8.0.0 before 8.3.0-11.1; 9.0.0 before 9.3.1-2.1; 10.0.0 before 10.0.2-1.1
CVE-2026-49299
5.3
0%
May 28
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
Affected: 26.0.0 before 26.0.4; 27.0.0 before 27.0.3; 28.0.0 before 28.0.1
CVE-2018-14636
5.3
1%
Sep 10
Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor
Affected: 7.0.0 through 11.0.4; 12.0.0 through 12.0.2; 13.0.0
CVE-2026-50266
2.2
0%
Jun 4
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:"…
Affected: 25.0.0 before 25.2.4; 26.0.0 before 26.0.4; 27.0.0 before 27.0.3; 28.0.0 before 28.0.1
CVE-2015-5240
–
1%
Oct 27
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…
Affected: 2014.2.3; 2015.1.0; 2015.1.1
CVE-2015-3221
–
11%
Aug 26
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…
Affected: 2014.2 before 2014.2.4; 2015.1.0 before 2015.1.1
CVE-2014-8153
–
2%
Jan 15
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…
Affected: 2014.2; 2014.2.1
CVE-2014-7821
–
4%
Nov 24
OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service (crash) via a crafted dns_nameservers value in the…
Affected: 2012.2.1 before 2014.1.4; 2014.2 before 2014.2.1
CVE-2014-3632
–
3%
Oct 7
The default configuration in a sudoers file in the Red Hat openstack-neutron package before 2014.1.2-4, as used in Red Hat Enterprise Linux Open Stack Platform 5.0 for Red Hat…
Affected: 2014.1 through 2014.1.2
CVE-2014-6414
–
2%
Oct 2
OpenStack Neutron before 2014.2.4 and 2014.1 before 2014.1.2 allows remote authenticated users to set admin network attributes to default values via unspecified vectors
Affected: 2013.2 through 2013.2.4; 2014.1 before 2014.1.2; 2014.2 through 2014.2.4
CVE-2014-4615
–
3%
Aug 19
The notifier middleware in OpenStack PyCADF 0.5.0 and earlier, Telemetry (Ceilometer) 2013.2 before 2013.2.4 and 2014.x before 2014.1.2, Neutron 2014.x before 2014.1.2 and Juno…
Affected: 2014.1; 2014.1.1; juno1
CVE-2014-3555
–
2%
Jul 23
OpenStack Neutron before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated users to cause a denial of service (crash or long firewall rule…
Affected: 2013.2.4; 2014.1; 2014.1.1; juno-1
CVE-2014-4167
–
2%
Jul 11
The L3-agent in OpenStack Neutron before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated users to cause a denial of service (IPv4 address…
Affected: 2011.1 through 2013.2.3; 2014.1; 2014.1.1
CVE-2013-6433
–
3%
Jun 2
The default configuration in the Red Hat openstack-neutron package before 2013.2.3-7 does not properly set a configuration file for rootwrap, which allows remote attackers to gain…
Affected: 2013.1 through 2013.2.3
CVE-2014-0056
–
1%
May 8
The l3-agent in OpenStack Neutron 2012.2 before 2013.2.3 does not check the tenant id when creating ports, which allows remote authenticated users to plug ports into the routers…
Affected: 2012.2; 2012.2.1; 2012.2.2; 2012.2.3; 2012.2.4; 2013.1; +8 more
CVE-2014-0187
–
3%
Apr 28
The openvswitch-agent process in OpenStack Neutron 2013.1 before 2013.2.4 and 2014.1 before 2014.1.1 allows remote authenticated users to bypass security group restrictions via an…
Affected: 2013.1; 2013.1.1; 2013.1.2; 2013.1.3; 2013.1.4; 2013.1.5; +5 more
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