It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
{
"nvd_published_at": "2021-03-15T22:15:00Z",
"github_reviewed": true,
"github_reviewed_at": "2021-03-24T23:14:27Z",
"cwe_ids": [
"CWE-200",
"CWE-863"
],
"severity": "MODERATE"
}