The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows…
Priority MEDIUM 42CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
EPSS 0.03439 89th percentileScored 2026-11-07
Fix Partial neutron (PyPI): 7.0.5, 8.1.1Red Hat: 2 advisoriesRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | neutron (PyPI) | before 7.0.5 | 7.0.5 | Patch available | GHSA-qpwc-p365-pqrr |
| — | neutron (PyPI) | 8.0.0 to before 8.1.1 | 8.1.1 | Patch available | GHSA-qpwc-p365-pqrr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- neutron (PyPI) Vendor— Affected before 7.0.5 Fixed in 7.0.5 Patch available GHSA-qpwc-p365-pqrr
- neutron (PyPI) Vendor— Affected 8.0.0 to before 8.1.1 Fixed in 8.1.1 Patch available GHSA-qpwc-p365-pqrr
Remediation
- Fix · GHSA-qpwc-p365-pqrr neutron (PyPI) Fixed in 7.0.5 Advisory →
- Fix · GHSA-qpwc-p365-pqrr neutron (PyPI) Fixed in 8.1.1 Advisory →
Red Hat 2 advisories
- RHSA-2016:1473 Released 2016-07-20 · Red Hat rating Lowopenstack-neutron security and bug fix update
- Red Hat OpenStack Platform 8.0 (Liberty) openstack-neutron-1:7.0.4-11.el7ost, openstack-neutron-bigswitch-1:7.0.4-11.el7ost, openstack-neutron-brocade-1:7.0.4-11.el7ost +19
- RHSA-2016:1474 Released 2016-07-20 · Red Hat rating Lowopenstack-neutron security, bug fix, and enhancement update
- Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 openstack-neutron-2015.1.4-2.el7ost, openstack-neutron-bigswitch-2015.1.4-2.el7ost, openstack-neutron-brocade-2015.1.4-2.el7ost +22
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 9 (Mitaka) | Affected | No fix yet |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | Fixed | RHSA-2016:1474 |
| Red Hat OpenStack Platform 8.0 (Liberty) | Fixed | RHSA-2016:1473 |
Not affected: 1 product
- Red Hat OpenStack Platform 10 (Newton)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5362
- 2026-10-03 Alias added: GHSA-qpwc-p365-pqrr
References
Advisory 10
- RHSA-2016:1473
- [oss-security] 20160610 CVE request for vulnerability in OpenStack Neutron
- [oss-security] 20160610 Re: CVE request for vulnerability in OpenStack Neutron
- https://security.openstack.org/ossa/OSSA-2016-009.html
- https://bugs.launchpad.net/neutron/+bug/1558658
- https://review.openstack.org/#/c/303572/
- https://review.openstack.org/#/c/300202/
- RHSA-2016:1474
- https://review.openstack.org/#/c/303563/
- https://nvd.nist.gov/vuln/detail/CVE-2016-5362
More OpenStack Neutron vulnerabilities
- TI-2022-03027 Uncontrolled resource consumption in openstack-neutron CVSS 3.1MEDIUM 6.5
- TI-2015-07327 The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows… CVSS 3.0CRITICAL 9.1
- TI-2014-00181 The openvswitch-agent process in OpenStack Neutron 2013.1 before 2013.2.4 and 2014.1… CVSS 2.0HIGH 9.0
- TI-2021-16185 OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address… CVSS 3.1CRITICAL 9.1
- TI-2016-04654 The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows… CVSS 3.0HIGH 8.2
- TI-2013-05386 The default configuration in the Red Hat openstack-neutron package before 2013.2.3-7 does… CVSS 2.0HIGH 7.6
Sources
- CVE-2016-5362 · CVE Program
- CVE-2016-5362 · NVD
- FIRST EPSS
- GHSA-qpwc-p365-pqrr · GitHub Advisory Database · CC BY 4.0
- CVE-2016-5362 · Red Hat security data · CC BY 4.0
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