CVE-2014-2828

What it is

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."

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

3.2% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2014-04-15 14:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:07 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.2% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2014-04-15 14:55 UTC

Last modified

2026-06-17 00:07 UTC

Exploit probability

3.2% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Openstack Keystone 2013.1
• Openstack Keystone 2013.1.1
• Openstack Keystone 2013.1.2
• Openstack Keystone 2013.1.3
• Openstack Keystone 2013.2
• Openstack Keystone 2013.2.1
• Openstack Keystone 2013.2.2
• Openstack Keystone 2013.2.3

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

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