The core_enrol_get_enrolled_users web service in enrol/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 does not properly implement group-based access restrictions, which allows remote authenticated users to obtain sensitive course-participant information via a web-service request.
{
"cwe_ids": [],
"github_reviewed": true,
"github_reviewed_at": "2024-01-26T20:11:33Z",
"nvd_published_at": "2016-02-22T05:59:00Z",
"severity": "MODERATE"
}