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CVE-2016-3733

18
FAUCET Score

CVE-2016-3733 describes a vulnerability in Moodle versions 3.0.3 and earlier, 2.9.5 and earlier, 2.8.11 and earlier, and 2.7.13 and earlier, where the "restore teacher" feature allows authenticated users to overwrite the course idnumber. This is a medium-severity vulnerability (CVSS 4.3) with a low attack complexity, requiring authentication, and resulting in a low impact on integrity without affecting confidentiality or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.7.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.0:beta:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.0:rc1:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.0:rc2:*:*:*:*:*:*
2.7.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 78th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.7.14
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.8.12
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.9.6
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.0.4

Vendor Advisories (1)

composerGHSA-gr8j-qm8r-rfggmedium

Moodle Improper Access Control

May 13, 2022

References

git.moodle.org / gw
PatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
openwall.com / lists/oss-security/2016/05/17/4
Mailing ListThird Party Advisory
securitytracker.com / id/1035902
Third Party AdvisoryVDB Entry