Vulnerability DatabaseCVE-2021-43560
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2021-43560
Published:November 22, 2021
Updated:May 17, 2026
A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. Insufficient capability checks made it possible to fetch other users' calendar action events.
Affected Packages
moodle/moodle (PHP):
Affected version(s) >=v3.9.0 <v3.9.11
Fix Suggestion:
Update to version v3.9.11
moodle/moodle (PHP):
Affected version(s) >=v3.10.0 <v3.10.8
Fix Suggestion:
Update to version v3.10.8
moodle/moodle (PHP):
Affected version(s) >=v3.11.0 <v3.11.4
Fix Suggestion:
Update to version v3.11.4
Related Resources (4)
https://moodle.org/mod/forum/discuss.php?d=429100
https://nvd.nist.gov/vuln/detail/CVE-2021-43560
https://github.com/moodle/moodle
https://bugzilla.redhat.com/show_bug.cgi?id=2021519
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Resource to Wrong Sphere
CWE-668
Incorrect Authorization
CWE-863
EPSS
Base Score:
0.16