CVE-2022-0333
Insufficient user authorization in Moodle
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
3.8
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.
- Record
CVE-2022-0333- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2022-0333- Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2022-0641 No score
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.
- Record
EUVD-2022-0641- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m434-m5pv-p35w
3.8
Insufficient user authorization in Moodle
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.
- Record
GHSA-m434-m5pv-p35w- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVGHSA-m434-m5pv-p35w
3.8
Insufficient user authorization in Moodle
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.
- Record
GHSA-m434-m5pv-p35w- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-0333
3.8
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.
- Record
UBUNTU-CVE-2022-0333- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-moodle-2022-0333 No score
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.
- Record
BIT-moodle-2022-0333- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2022-0333- Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.11 up to 3.11.5 | 3.11.5 |
moodle/moodlePackagist |
3.10 up to 3.10.8 | 3.10.8 |
moodle/moodlePackagist |
3.9 up to 3.9.11 | 3.9.11 |
moodleBitnami |
before 3.8.10, 3.9.0 up to 3.9.12, 3.10.0 up to 3.10.9, 3.11.0 up to 3.11.5 | 3.8.103.9.123.10.93.11.5 |
moodle/moodlePackagist |
3.11 up to 3.11.5, plus listed versions v3.11.0v3.11.0-betav3.11.0-rc1v3.11.0-rc2v3.11.1v3.11.2v3.11.3v3.11.4 |
3.11.5 |
moodle/moodlePackagist |
3.10 up to 3.10.8, plus listed versions v3.10.0v3.10.0-betav3.10.0-rc1v3.10.0-rc2v3.10.1 Show 6 moreShow lessv3.10.2v3.10.3v3.10.4v3.10.5v3.10.6v3.10.7 |
3.10.8 |
moodle/moodlePackagist |
3.9 up to 3.9.11, plus listed versions v3.9.0v3.9.0-betav3.9.0-rc1v3.9.0-rc2v3.9.0-rc3 Show 10 moreShow lessv3.9.1v3.9.10v3.9.2v3.9.3v3.9.4v3.9.5v3.9.6v3.9.7v3.9.8v3.9.9 |
3.9.11 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-0333 is a low vulnerability (CVSS 3.8) in Moodle, published January 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 51st percentile. Fixed in moodle/moodle 3.11.5.
References
bugzilla.redhat.com/show_bug.cgi?id=2043663
moodle.org/mod/forum/discuss.php?d=431100
nvd.nist.gov/vuln/detail/CVE-2022-0333
github.com/moodle/moodle/commit/2ee27313cea0d7073f5a6a35eccdfddcb3a9adad
github.com/advisories/GHSA-m434-m5pv-p35w
github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0333.json
github.com/moodle/moodle
ubuntu.com/security/CVE-2022-0333
cve.org/CVERecord?id=CVE-2022-0333