{"id":"CVE-2020-5231","aliases":["GHSA-94qw-r73x-j7hg"],"url":"https://o3.security/vulnerability/CVE-2020-5231","summary":"Users with ROLE_COURSE_ADMIN can create new users in Opencast","details":"In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name – implying an admin for a specific course – users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration.","published":"2020-01-30T22:15:10.220Z","modified":"2026-07-09T02:49:27.087393Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.opencastproject:opencast-kernel","fixedVersion":"7.6"},{"ecosystem":"Maven","name":"org.opencastproject:opencast-kernel","fixedVersion":"8.1"}],"fix":{"url":"https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee","label":"opencast/opencast@72fad00"},"references":[{"type":"FIX","url":"https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee"},{"type":"EVIDENCE","url":"https://github.com/opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T02:49:27.087393Z"}}