
CVE-2021-38155
https://notcve.org/view.php?id=CVE-2021-38155
06 Aug 2021 — OpenStack Keystone 10.x through 16.x before 16.0.2, 17.x before 17.0.1, 18.x before 18.0.1, and 19.x before 19.0.1 allows information disclosure during account locking (related to PCI DSS features). By guessing the name of an account and failing to authenticate multiple times, any unauthenticated actor could both confirm the account exists and obtain that account's corresponding UUID, which might be leveraged for other unrelated attacks. All deployments enabling security_compliance.lockout_failure_attempts ... • http://www.openwall.com/lists/oss-security/2021/08/10/5 • CWE-307: Improper Restriction of Excessive Authentication Attempts •

CVE-2015-7546
https://notcve.org/view.php?id=CVE-2015-7546
03 Feb 2016 — 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. El servicio de identificación en OpenStac... • http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html • CWE-522: Insufficiently Protected Credentials •