CVE-2016-8644
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
CVE-2016-8644 is a medium vulnerability (CVSS 5.3) in Moodle, published January 20, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.18%, the 67th percentile. No source names a fixed version.
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
CVE-2016-8644- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
CVE-2016-8644- Updated
- 2026-11-02
EUVDEUVD-2016-9484 No score
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
EUVD-2016-9484- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x92j-j6qp-c93p
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
GHSA-x92j-j6qp-c93p- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSV
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
CVE-2016-8644- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-8644
In Moodle 2.x and 3.x, the capability to view course notes is checked in the wrong context.
- Record
UBUNTU-CVE-2016-8644- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
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
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |