CVE-2020-2883 was patched in Oracle's April 2020 Critical Patch Update - but proof of concept exploit code was published shortly after.

Admins responsible for Oracle Database versions 11.2.0.4 and 12.2.0.1 on Windows need to apply the patches in the advisory for CVE-2018-3110, while anyone running 12.1.0.2 on Windows -- as well as ...