CVE-2018-1000634
The Open Microscopy Environment OMERO.server version 5.4.0 to 5.4.6 contains an Improper Access Control vulnerability in User management that can result in administrative user with privilege restrictions logging in as a more powerful administrator. This attack appear to be exploitable via Use user administration privilege to set the password of a more powerful administrator. This vulnerability appears to have been fixed in 5.4.7.
Source: CVE-2018-1000634