OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote…
Priority LOW 26CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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 DNS configuration.
Why it matters now
EPSS 0.03936 90th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* | 2012.2.1 to before 2014.1.4; 2014.2 to before 2014.2.1 | Vulnerable | OpenStack |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Red Hat |
- cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* Versions 2012.2.1 to before 2014.1.4; 2014.2 to before 2014.2.1 Vulnerable ·OpenStack
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2015:0044 Released 2015-01-13 · Red Hat rating Moderateopenstack-neutron security update
- Red Hat Enterprise Linux OpenStack Platform 4.0 openstack-neutron-2013.2.4-6.el6ost, openstack-neutron-bigswitch-2013.2.4-6.el6ost, openstack-neutron-brocade-2013.2.4-6.el6ost +15
- RHSA-2014:1942 Released 2014-12-02 · Red Hat rating Moderateopenstack-neutron security and bug fix update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 openstack-neutron-2014.1.3-11.el7ost, openstack-neutron-bigswitch-2014.1.3-11.el7ost, openstack-neutron-brocade-2014.1.3-11.el7ost +20
- RHSA-2014:1938 Released 2014-12-02 · Red Hat rating Moderateopenstack-neutron security and bug fix update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 openstack-neutron-2014.1.3-12.el6ost, openstack-neutron-bigswitch-2014.1.3-12.el6ost, openstack-neutron-brocade-2014.1.3-12.el6ost +20
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 4.0 | Fixed | RHSA-2015:0044 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | Fixed | RHSA-2014:1938 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | Fixed | RHSA-2014:1942 |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-7821
- 2026-10-03 Alias added: GHSA-3v86-wqpm-qc9x
References
Sources
- CVE-2014-7821 · CVE Program
- CVE-2014-7821 · NVD
- FIRST EPSS
- GHSA-3v86-wqpm-qc9x · GitHub Advisory Database · CC BY 4.0
- CVE-2014-7821 · Red Hat security data · CC BY 4.0
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