CVE-2020-25703
Exposure of Sensitive Information to an Unauthorized Actor in Moodle
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
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
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
CVE-2020-25703- CVSS 3.1
- 5.3 Medium
CVSS:3.1/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-201, CWE-200
- Updated
- 2026-11-02
CVE List No score
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
CVE-2020-25703- Weakness
- CWE-201
- Updated
- 2026-11-02
EUVDEUVD-2021-2189 No score
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
EUVD-2021-2189- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c7v4-m269-4995
Exposure of Sensitive Information to an Unauthorized Actor in Moodle
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
GHSA-c7v4-m269-4995- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
CVE-2020-25703- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-c7v4-m269-4995
Exposure of Sensitive Information to an Unauthorized Actor in Moodle
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
GHSA-c7v4-m269-4995- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-25703
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
UBUNTU-CVE-2020-25703- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVBIT-moodle-2020-25703 No score
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
- Record
BIT-moodle-2020-25703- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.9.0 up to 3.9.3 | 3.9.3 |
moodle/moodlePackagist |
3.8.0 up to 3.8.6 | 3.8.6 |
moodle/moodlePackagist |
3.7.0 up to 3.7.9 | 3.7.9 |
moodle/moodlePackagist |
3.10.0-beta up to 3.10.0 | 3.10.0 |
moodleBitnami |
3.7.0 up to 3.7.9, 3.8.0 up to 3.8.6, 3.9.0 up to 3.9.3 | 3.7.93.8.63.9.3 |
moodle/moodlePackagist |
3.9.0 up to 3.9.3, plus listed versions v3.9.0v3.9.1v3.9.2 |
3.9.3 |
moodle/moodlePackagist |
3.8.0 up to 3.8.6, plus listed versions v3.8.0v3.8.1v3.8.2v3.8.3v3.8.4v3.8.5 |
3.8.6 |
moodle/moodlePackagist |
3.7.0 up to 3.7.9, plus listed versions v3.7.0v3.7.1v3.7.2v3.7.3v3.7.4 Show 4 moreShow lessv3.7.5v3.7.6v3.7.7v3.7.8 |
3.7.9 |
moodle/moodlePackagist |
3.10.0-beta up to 3.10.0, plus listed versions v3.10.0-betav3.10.0-rc1v3.10.0-rc2 |
3.10.0 |
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 |
|---|---|---|
| facts | ||
| 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-2020-25703 is a medium vulnerability (CVSS 5.3) in Moodle, published November 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.54%, the 75th percentile. Fixed in moodle/moodle 3.9.3.
References
bugzilla.redhat.com/show_bug.cgi?id=1895439
moodle.org/mod/forum/discuss.php?d=413941
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6
nvd.nist.gov/vuln/detail/CVE-2020-25703