Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 5/25/2016 4:45:07 PM

CVE Publication rate: 20.83

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 12.64
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2012-4457

Original release date: 10/09/2012
Last revised: 01/30/2013


OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=861180
External Source: BID
Name: 55716
External Source: XF
Name: keystone-xauth-token-sec-bypass(78947)
External Source: MLIST
Name: [openstack] 20120928 [OSSA 2012-016] Token authorization for a user in a disabled tenant is allowed (CVE-2012-4457)
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5
External Source: MLIST
Name: [oss-security] 20120928 [OSSA 2012-016] Token authorization for a user in a disabled tenant is allowed (CVE-2012-4457)

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:openstack:keystone:2012.1.1 and previous versions
cpe:/a:openstack:folsom:2 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)