CVE-2016-8642
Moodle Unauthenticated Access
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
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 question engine allows access to files that should not be available.
- Record
CVE-2016-8642- 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-284
- Updated
- 2026-11-02
CVE List No score
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
CVE-2016-8642- Updated
- 2026-11-02
EUVDEUVD-2022-5690 No score
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
EUVD-2022-5690- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x32v-7qw8-cpq8
Moodle Unauthenticated Access
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
GHSA-x32v-7qw8-cpq8- 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 - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
CVE-2016-8642- 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
OSVGHSA-x32v-7qw8-cpq8
Moodle Unauthenticated Access
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
GHSA-x32v-7qw8-cpq8- 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 - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-8642
In Moodle 2.x and 3.x, the question engine allows access to files that should not be available.
- Record
UBUNTU-CVE-2016-8642- 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 |
|---|---|---|
moodle/moodlePackagist |
3.1.0 to 3.1.2 | 3.1.3 |
moodle/moodlePackagist |
3.0.0 to 3.0.6 | 3.0.7 |
moodle/moodlePackagist |
2.9.0 to 2.9.8 | 2.9.9 |
moodle/moodlePackagist |
2.8.0 to 2.8.12 | None known |
moodle/moodlePackagist |
2.7.0 to 2.7.16 | 2.7.17 |
moodle/moodlePackagist |
3.1.0 up to 3.1.3, plus listed versions v3.1.0v3.1.1v3.1.2 |
3.1.3 |
moodle/moodlePackagist |
3.0.0 up to 3.0.7, plus listed versions v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4v3.0.5v3.0.6 |
3.0.7 |
moodle/moodlePackagist |
2.9.0 up to 2.9.9, plus listed versions v2.9.0v2.9.1v2.9.2v2.9.3v2.9.4 Show 4 moreShow lessv2.9.5v2.9.6v2.9.7v2.9.8 |
2.9.9 |
moodle/moodlePackagist |
2.8.0 to 2.8.12, plus listed versions v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12 Show 8 moreShow lessv2.8.2v2.8.3v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
None known |
moodle/moodlePackagist |
2.7.0 up to 2.7.17, plus listed versions v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12 Show 12 moreShow lessv2.7.13v2.7.14v2.7.15v2.7.16v2.7.2v2.7.3v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9 |
2.7.17 |
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-2016-8642 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 1.20%, the 68th percentile. Fixed in moodle/moodle 3.1.3.