CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.
CVE
CVE-2015-7546
Severity
HIGH
CVSS
7.5
EPSS
1.71%
Original NVD 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.