Vulnerability Report

CVE-2012-4456

Title: Openstack Keystone Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2012-4456.

CWE Category CWE-287

Published Date Oct 09, 2012

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.5 CVSS v2.0

Exploit Probability (EPSS)

3.97%

Vulnerability Summary

CVE-2012-4456: The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the roles for an arbitrary user or get, create, or delete arbitrary services.

Impacted Vendors

keystonejs 1

keystone-engine 1

openstack 1

Reference Links

http://secunia.com/advisories/50665 http://www.openwall.com/lists/oss-security/2012/09/28/5 http://www.securityfocus.com/bid/55716 https://bugs.launchpad.net/keystone/+bug/1006815 https://bugs.launchpad.net/keystone/+bug/1006822 https://bugzilla.redhat.com/show_bug.cgi?id=861179 https://exchange.xforce.ibmcloud.com/vulnerabilities/78944 https://github.com/openstack/keystone/commit/14b136aed9d988f5a8f3e699bd4577c9b874d6c1 https://github.com/openstack/keystone/commit/1d146f5c32e58a73a677d308370f147a3271c2cb https://github.com/openstack/keystone/commit/24df3adb3f50cbb5ada411bc67aba8a781e6a431 https://github.com/openstack/keystone/commit/868054992faa45d6f42d822bf1588cb88d7c9ccb https://lists.launchpad.net/openstack/msg17034.html http://secunia.com/advisories/50665 http://www.openwall.com/lists/oss-security/2012/09/28/5 http://www.securityfocus.com/bid/55716 https://bugs.launchpad.net/keystone/+bug/1006815 https://bugs.launchpad.net/keystone/+bug/1006822 https://bugzilla.redhat.com/show_bug.cgi?id=861179 https://exchange.xforce.ibmcloud.com/vulnerabilities/78944 https://github.com/openstack/keystone/commit/14b136aed9d988f5a8f3e699bd4577c9b874d6c1 https://github.com/openstack/keystone/commit/1d146f5c32e58a73a677d308370f147a3271c2cb https://github.com/openstack/keystone/commit/24df3adb3f50cbb5ada411bc67aba8a781e6a431 https://github.com/openstack/keystone/commit/868054992faa45d6f42d822bf1588cb88d7c9ccb https://lists.launchpad.net/openstack/msg17034.html

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-4456 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

October 09, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.