CVE-2022-0333

Severity: low (CVSS 3.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-25 · updated 2026-06-17
Weakness: CWE-863

Description

A flaw was found in Moodle in versions 3.11 to 3.11.4, 3.10 to 3.10.8, 3.9 to 3.9.11 and earlier unsupported versions. The calendar:manageentries capability allowed managers to access or modify any calendar event, but should have been restricted from accessing user level events.

Affected products

Moodle: through 3.8.9; from 3.9.0 before 3.9.12; from 3.10.0 before 3.10.9; from 3.11.0 before 3.11.5 — fixed in 3.10.9, 3.11.5, 3.9.12

How to fix

Upgrade to a fixed version: Moodle 3.10.9, 3.11.5, 3.9.12. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2043663
https://moodle.org/mod/forum/discuss.php?d=431100
https://bugzilla.redhat.com/show_bug.cgi?id=2043663
https://moodle.org/mod/forum/discuss.php?d=431100

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