MSA-21-0042: IDOR in a calendar web service allows fetching of other users' action events

by Michael Hawkins.  

Insufficient capability checks made it possible to fetch other users' calendar action events.


Severity/Risk:Minor
Versions affected:3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions
Versions fixed:3.11.4, 3.10.8 and 3.9.11
Reported by:0xkasper
CVE identifier:CVE-2021-43560
Changes (master):http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71918
Tracker issue:MDL-71918 IDOR in a calendar web service allows fetching of other users' action events

Read more https://moodle.org/mod/forum/discuss.php?d=429100&parent=1726807