The OpenStack Identity service (keystone) authenticates and authorizes OpenStack users by keeping track of users and their permitted activities. The Identity service supports multiple forms of authentication, including user name and password credentials, token-based systems, and AWS-style logins.
EC2 and credential endpoints are not protected from a scoped context (CVE-2020-12689)
Credentials endpoint policy logic allows changing credential owner and target project ID (CVE-2020-12691)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.