The keystone-json-assignment package in SUSE Openstack Cloud 8 before commit d7888c75505465490250c00cc0ef4bb1af662f9f every user listed in the /etc/keystone/user-project-map.json was assigned full "member" role access to every project. This allowed these users to access, modify, create and delete arbitrary resources, contrary to expectations.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-3683
• https://bugzilla.suse.com/show_bug.cgi?id=1124864
• https://www.suse.com/security/cve/CVE-2019-3683/