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CVE-2015-8914

OpenStack Neutron allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism

9.1 CriticalFix available

CVE-2015-8914 is a critical vulnerability (CVSS 9.1) in Openstack Neutron, published June 17, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.28%, the 91st percentile. Fixed in neutron 7.0.5.

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
High

Exploit likelihood

4.28%Up 2.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.1

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.

Record
CVE-2015-8914
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:N/A:P
Weakness
CWE-254
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2015-8914
Updated
2026-11-02
EUVDEUVD-2015-8770 No score

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.

Record
EUVD-2015-8770
Updated
2026-11-03
GitHub AdvisoriesGHSA-3vj4-cvjp-482h 9.1

OpenStack Neutron allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism

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.

Record
GHSA-3vj4-cvjp-482h
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-923
Updated
2026-11-02
OSV 9.1

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.

Record
CVE-2015-8914
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2015-8914 9.1

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.

Record
DEBIAN-CVE-2015-8914
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVGHSA-3vj4-cvjp-482h 9.1

OpenStack Neutron allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism

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.

Record
GHSA-3vj4-cvjp-482h
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-923
Updated
2026-11-02
OSVPYSEC-2026-431 9.1

OpenStack Neutron allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism

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.

Record
PYSEC-2026-431
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVRHSA-2016:1473 6.3

Red Hat Security Advisory: openstack-neutron security and bug fix update

Record
RHSA-2016:1473
CVSS 3.0
6.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVRHSA-2016:1474 6.3

Red Hat Security Advisory: openstack-neutron security, bug fix, and enhancement update

Record
RHSA-2016:1474
CVSS 3.0
6.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2015-8914 9.1

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.

Record
UBUNTU-CVE-2015-8914
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
neutron
PyPI
 before 7.0.5
7.0.5
neutron
PyPI
 8.0.0 up to 8.1.1
8.1.1
neutron
Debian:12
 before 2:8.1.2-1
2:8.1.2-1
neutron
Debian:13
 before 2:8.1.2-1
2:8.1.2-1
neutron
Debian:14
 before 2:8.1.2-1
2:8.1.2-1
neutron
PyPI
 before 7.0.5, plus listed versions
0.0
7.0.5
neutron
PyPI
 before 7.0.5, 8.0.0 up to 8.1.1, plus listed versions
0.0
7.0.58.1.1
openstack-neutron
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-bigswitch
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-brocade
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
Show 44 moreShow less
Affected packages
PackageAffectedFixed
openstack-neutron-cisco
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-common
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-dev-server
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-embrane
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-linuxbridge
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-mellanox
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-metering-agent
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-midonet
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-ml2
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-nuage
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-ofagent
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-oneconvergence-nvsd
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-opencontrail
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-openvswitch
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-ovsvapp
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-rpc-server
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron-sriov-nic-agent
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
python-neutron
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
python-neutron-tests
Red Hat:openstack:8::el7
 before 1:7.0.4-11.el7ost
1:7.0.4-11.el7ost
openstack-neutron
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-bigswitch
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-brocade
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-cisco
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-common
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-embrane
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-ibm
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-linuxbridge
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-mellanox
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-metaplugin
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-metering-agent
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-midonet
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-ml2
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-nec
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-nuage
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-ofagent
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-oneconvergence-nvsd
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-opencontrail
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-openvswitch
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-ovsvapp
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-plumgrid
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-sriov-nic-agent
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
openstack-neutron-vmware
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
python-neutron
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost
python-neutron-tests
Red Hat:openstack:7::el7
 before 0:2015.1.4-2.el7ost
0:2015.1.4-2.el7ost

History

History
WhenChangedSources
2026-11-03affected
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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