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CVE-2014-7821OpenStack 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…
- 4.0MediumCVSS base score
- 3.9%Exploitation in 30 daysEPSS · top 9.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 52 days later
· 52 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.5% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Affected products
n/a
- affected n/a
References
References9
- RHSA-2014:1938 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- neutron-cve20147821-dos(98818) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- RHSA-2015:0044 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- FEDORA-2015-5997 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [openstack-announce] 20141119 [OSSA 2014-039] Neutron DoS through invalid DNS configuration (CVE-2014-7821) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2014:1942 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 62586 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugs.launchpad.net/neutron/+bug/1378450 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2014-7687 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-7821)Record last updated .