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.
|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.|
|Tracker issue:||MDL-68974 "Log in as" capability in a course context may lead to some privilege escalation|