Medium severity · published Apr 20, 2017
CVE-2016-3731
Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, and 2.8 through 2.8.11 allows remote attackers to obtain the names of hidden forums and forum discussions
5.3
CVSS
1.8%
EPSS
No
On KEV
Description
Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, and 2.8 through 2.8.11 allows remote attackers to obtain the names of hidden forums and forum discussions.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
2.8.0; 2.8.1; 2.8.2; 2.8.3; 2.8.4; 2.8.5; +21 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3731
Mailing List
http://www.openwall.com/lists/oss-security/2016/05/17/4
Third Party Advisory
http://www.securitytracker.com/id/1035902
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1335933
More from Moodle
10.0
CVE-2019-3809
A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions
9.8
CVE-2025-67856
Moodle: moodle: privilege escalation via incomplete role checks in badge awarding
9.8
CVE-2025-26533
SQL injection risk in course search module list filter
9.8
CVE-2024-33999
The referrer URL used by MFA required additional sanitizing, rather than being used directly
9.8
CVE-2023-5550
In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the…