CVE-2014-2828
OpenStack Identity (Keystone) DoS through V3 API authentication chaining
CVE-2014-2828 is a high vulnerability (CVSS 7.8) in Openstack Keystone, published April 15, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.22%, the 88th percentile. Fixed in keystone 8.0.0a0.
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
Exploit likelihood
What each source reports
NVD Score used
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
CVE-2014-2828- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
CVE-2014-2828- Updated
- 2026-11-02
EUVDEUVD-2014-0026 No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
EUVD-2014-0026- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mv3-p2gr-wgqf
OpenStack Identity (Keystone) DoS through V3 API authentication chaining
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
GHSA-6mv3-p2gr-wgqf- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGHSA-6mv3-p2gr-wgqf
OpenStack Identity (Keystone) DoS through V3 API authentication chaining
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
GHSA-6mv3-p2gr-wgqf- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
CVE-2014-2828- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-2828 No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
DEBIAN-CVE-2014-2828- Updated
- 2026-11-02
OSVPYSEC-2014-106 No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
PYSEC-2014-106- Updated
- 2026-11-02
OSVUBUNTU-CVE-2014-2828 No score
The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka "authentication chaining."
- Record
UBUNTU-CVE-2014-2828- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
keystonePyPI |
before 8.0.0a0 | 8.0.0a0 |
keystoneDebian:12 |
before 2014.1-1 | 2014.1-1 |
keystoneDebian:13 |
before 2014.1-1 | 2014.1-1 |
keystoneDebian:14 |
before 2014.1-1 | 2014.1-1 |
openstack-keystoneRed Hat:openstack:4::el6 |
before 0:2013.2.4-1.el6ost | 0:2013.2.4-1.el6ost |
openstack-keystone-docRed Hat:openstack:4::el6 |
before 0:2013.2.4-1.el6ost | 0:2013.2.4-1.el6ost |
python-keystoneRed Hat:openstack:4::el6 |
before 0:2013.2.4-1.el6ost | 0:2013.2.4-1.el6ost |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
rhn.redhat.com/errata/RHSA-2014-1688.html
openwall.com/lists/oss-security/2014/04/10/20
bugs.launchpad.net/keystone/+bug/1300274
nvd.nist.gov/vuln/detail/CVE-2014-2828
github.com/openstack/keystone/commit/ce6cedb30c5c4b4cf4db9380f09443de22414b39
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security-tracker.debian.org/tracker/CVE-2014-2828
access.redhat.com/errata/RHSA-2014:1688
wiki.openstack.org/wiki/ReleaseNotes/2013.2.4
bugzilla.redhat.com/show_bug.cgi?id=1082669
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_1688.json
cve.org/CVERecord?id=CVE-2014-2828
ubuntu.com/security/CVE-2014-2828