Insufficient capability checks in some grade related web services meant students were able to view other students' grades.
| Severity/Risk: | Minor |
| Versions affected: | 3.10, 3.9 to 3.9.3, 3.8 to 3.8.6 |
| Versions fixed: | 3.10.1, 3.9.4 and 3.8.7 |
| Reported by: | Juan Segarra Montesinos |
| CVE identifier: | CVE-2021-20184 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-69797 |
| Tracker issue: | MDL-69797 Grade information disclosure in grade's external fetch functions |