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Vulnerability record · CVE-2014-7821 · published 24 November 2014

CVE-2014-7821: Openstack neutron improper input validation vulnerability

Openstack · Neutron

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.

4.0 CVSS 2.0 Medium EPSS 3.9% · top 9.4% CWE-20 · Improper input validationCWE-399 · CWE-399
4.0CVSS 2.0 base score
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html Third Party Advisory
http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html PatchVendor Advisory
http://rhn.redhat.com/errata/RHSA-2014-1938.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1942.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0044.html Third Party Advisory
http://secunia.com/advisories/62586 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html Third Party Advisory
https://bugs.launchpad.net/neutron/+bug/1378450 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 Third Party AdvisoryVDB Entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html Third Party Advisory
http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html PatchVendor Advisory
http://rhn.redhat.com/errata/RHSA-2014-1938.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1942.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0044.html Third Party Advisory
http://secunia.com/advisories/62586 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html Third Party Advisory
https://bugs.launchpad.net/neutron/+bug/1378450 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2014-7821), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.