CVE-2015-7546

Severity CVSS v4.0:

Pending analysis

Type:

CWE-522 Insufficiently Protected Credentials

Publication date:

03/02/2016

Last modified:

12/04/2025

Description

The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

6.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openstack:keystonemiddleware::::::::	1.5.0 (including)	1.5.3 (including)
cpe:2.3:a:openstack:keystonemiddleware::::::::	1.6.0 (including)	2.3.2 (including)
cpe:2.3:a:openstack:keystone::::::::	8.0.0 (including)	8.0.2 (excluding)
cpe:2.3:a:openstack:keystone::::::::	2015.1.0 (including)	2015.1.2 (including)
cpe:2.3:o:oracle:solaris:11.3:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2015-7546

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools