openstack-keystone: denial of service via V3 API authentication chaining
Published Apr 15, 2014
8.7
HIGHCVSS 4.0
EPSS 3.16%
Description
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."
Affected products
No data.
- 2013.1
- 2013.1.1
- 2013.1.2
- 2013.1.3
- 2013.2
- 2013.2.1
- 2013.2.2
- 2013.2.3
No data.
OpenStack 4 for RHEL 6
openstack-keystone-0:2013.2.4-1.el6ost
Fixed · RHSA-2014:1688
Red Hat OpenStack Platform 3
openstack-keystone
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 4 for RHEL 6 | openstack-keystone-0:2013.2.4-1.el6ost | Fixed | RHSA-2014:1688 |
| Red Hat OpenStack Platform 3 | openstack-keystone | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.16% (0.03155) | 87.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.13% (0.03129) | 86.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.86% (0.00864) | 73.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.77% (0.00766) | 81.90th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.77% (0.00766) | 80.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.77% (0.00766) | 78.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (12)
- http://rhn.redhat.com/errata/RHSA-2014-1688.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2014/04/10/20 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2014-2828 Vendor Advisory
- https://bugs.launchpad.net/keystone/+bug/1300274 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1086211 Issue Tracking
- https://github.com/advisories/GHSA-6mv3-p2gr-wgqf Advisory
- https://github.com/openstack/keystone/commit/ce6cedb30c5c4b4cf4db9380f09443de22414b39
- https://github.com/openstack/keystone/commit/e364ba5b12de8e4c11bd80bcca903f9615dcfc2e
- https://github.com/openstack/keystone/commit/ef868ad92c00e23a4a5e9eb71e3e0bf5ae2fff0c
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2014-106.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2014-2828
- https://www.cve.org/CVERecord?id=CVE-2014-2828
Change history (0)
No recorded changes yet.