CVE-2014-2828

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."

Published: 2014-04-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-2828 is rated Moderate Risk (61.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.16%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-2828

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-04 3.13% 3.16% +0.03%
2 2026-06-15 0.77% 3.13% +2.36%
3 2026-06-05 — 0.77% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2828

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2014-2828

GitHub Security Advisory for CVE-2014-2828

GHSA-6mv3-p2gr-wgqf · Severity: high · Ecosystem: pip — OpenStack Identity (Keystone) DoS through V3 API authentication chaining

OS Trackers for CVE-2014-2828

vendor priority summary link
debian not yet assigned CVE-2014-2828 not yet assigned priority: Debian including 1 source packages (keystone), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-2828
redhat medium — https://access.redhat.com/security/cve/CVE-2014-2828
ubuntu medium CVE-2014-2828 medium priority: Ubuntu including 1 source packages (keystone), 6 status rows across 6 suites (lucid, precise, quantal, saucy, trusty, upstream): DNE 2, ignored 2, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2014-2828

Affected software / configurations for CVE-2014-2828

Vendor Product Version Raw CPE
openstack keystone 2013.1 cpe:2.3:a:openstack:keystone:2013.1:*:*:*:*:*:*:*
openstack keystone 2013.1.1 cpe:2.3:a:openstack:keystone:2013.1.1:*:*:*:*:*:*:*
openstack keystone 2013.1.2 cpe:2.3:a:openstack:keystone:2013.1.2:*:*:*:*:*:*:*
openstack keystone 2013.1.3 cpe:2.3:a:openstack:keystone:2013.1.3:*:*:*:*:*:*:*
openstack keystone 2013.2 cpe:2.3:a:openstack:keystone:2013.2:*:*:*:*:*:*:*
openstack keystone 2013.2.1 cpe:2.3:a:openstack:keystone:2013.2.1:*:*:*:*:*:*:*
openstack keystone 2013.2.2 cpe:2.3:a:openstack:keystone:2013.2.2:*:*:*:*:*:*:*
openstack keystone 2013.2.3 cpe:2.3:a:openstack:keystone:2013.2.3:*:*:*:*:*:*:*

References for CVE-2014-2828

cvelogic Threat Intelligence