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CVE-2014-2828

21
FAUCET Score

CVE-2014-2828 describes a denial-of-service vulnerability affecting OpenStack Identity (Keystone) V3 API versions 2013.1 before 2013.2.4 and icehouse before icehouse-rc2. This flaw allows remote attackers to consume excessive CPU resources through "authentication chaining," by submitting a large number of identical authentication methods in a single request. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2013.1CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:2013.1:*:*:*:*:*:*:*
2013.1.1CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:2013.1.1:*:*:*:*:*:*:*
2013.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:2013.1.2:*:*:*:*:*:*:*
2013.1.3CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:2013.1.3:*:*:*:*:*:*:*
2013.2CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:2013.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.16%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0316 is in the 76th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: keystoneFixed in: 8.0.0a0
redhatpatch availablevia redhat_api
Product: OpenStack 4 for RHEL 6Fixed in: openstack-keystone-0:2013.2.4-1.el6ost
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 3Fixed in: openstack-keystone

Vendor Advisories (2)

pipGHSA-6mv3-p2gr-wgqfhigh

OpenStack Identity (Keystone) DoS through V3 API authentication chaining

May 17, 2022
redhatCVE-2014-2828Moderate

openstack-keystone: denial of service via V3 API authentication chaining

Mar 31, 2014

References

rhn.redhat.com / errata/RHSA-2014-1688.html
bugs.launchpad.net / keystone/+bug/1300274
openwall.com / lists/oss-security/2014/04/10/20