CVE-2020-1754 Missing authorization in Moodle
Users without group access permissions can view grade histories of users outside their assigned groups in Moodle.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1754?
CVE-2020-1754 is a medium-severity missing authorization vulnerability in Moodle Moodle, published on 5 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, users viewing the grade history report without the 'access all groups' capability were not restricted to viewing grades of users within their own groups.
Which versions are affected by CVE-2020-1754?
1 open source package ship an affected version, including moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle Bitnami | From 3.5.0 | 3.5.11, 3.6.9, 3.7.5, 3.8.2 |
Products include Moodle Moodle.
How do I fix CVE-2020-1754?
Upgrade moodle to a fixed version for your release line: 3.5.11, 3.6.9, 3.7.5 or 3.8.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-1754 being exploited?
There is no known exploitation of CVE-2020-1754 in the wild and no public exploit code.
Other vulnerabilities in Moodle Moodle
- CVE-2006-4935 File upload in n/a
- CVE-2006-4936 Moodle does not properly validate module instance id
- CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
- CVE-2004-2235 Cross-site scripting in n/a
- CVE-2004-2236 Other in n/a
Sources
Also known as BIT-moodle-2020-1754, GHSA-q5m8-g27f-797h, UBUNTU-CVE-2020-1754.