MSA-21-0013: Quiz unreleased grade disclosure via web service

by Michael Hawkins.  

It was possible for a student to view their quiz grade before it had been released, using a quiz web service.


Severity/Risk:Serious
Versions affected:3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions
Versions fixed:3.11, 3.10.4, 3.9.7, 3.8.9 and 3.5.18
Reported by:Nadav Kavalerchik
CVE identifier:CVE-2021-32473
Changes (master):http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-70720
Tracker issue:MDL-70720 Quiz unreleased grade disclosure via web service

Read more https://moodle.org/mod/forum/discuss.php?d=422307&parent=1701631