Exposure of Sensitive Information to an Unauthorized Actor
DSpace open source software is a repository application which provides durable access to digital resources. dspace-xmlui is a UI component for DSpace. In affected versions metadata on a withdrawn Item is exposed via the XMLUI "mets.xml" object, as long as you know the handle/URL of the withdrawn Item. This vulnerability only impacts the XMLUI. Affected versions are 4.x prior to 6.4.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.