CVE-2014-7821

Name: CVE-2014-7821
Creator: NVD / NIST
Published: 2014-11-24T15:59:02.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.94%

Last modified Jun 17, 2026

CVE-2014-7821 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.94% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.94%

89.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openstack	Neutron	>= 2012.2.1, < 2014.1.4
Openstack	Neutron	>= 2014.2, < 2014.2.1
Fedoraproject	Fedora	20
Redhat	Openstack	4.0

References

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

Timeline

Published: Nov 24, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-7821?

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.

How severe is CVE-2014-7821?

Severity scoring for CVE-2014-7821 is pending analysis. The EPSS model estimates a 3.94% probability of exploitation in the next 30 days.

How do I fix CVE-2014-7821?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-7821?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST