Users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager.
| Severity/Risk: | Minor |
| Versions affected: | 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions |
| Versions fixed: | 3.9.2, 3.8.5, 3.7.8 and 3.5.14 |
| Reported by: | Florence Thiard |
| Workaround: | Remove the "Login as other users" capability from the manager role until the patch is applied. |
| CVE identifier: | CVE-2020-25629 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-68974 |
| Tracker issue: | MDL-68974 "Log in as" capability in a course context may lead to some privilege escalation |