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Fencer Vulns
medium 4.3

CVE-2016-3733 json

Moodle Improper Access Control

published 2017-04-20 9 y ago modified 2026-06-17 4 mo ago also GHSA-gr8j-qm8r-rfgg , EUVD-2022-3998

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The "restore teacher" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.

Patch / fix

  • packagist moodle/moodle 2.7.14, 2.8.12, 2.9.6, 3.0.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-3733 updated

moodle: Multiple vulnerabilities fixed in 3.0.4, 2.9.6, 2.8.12 and 2.7.14

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
GitHub 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=2.7, <2.7.14
>=2.8, <2.8.12
>=2.9, <2.9.6
>=3.0, <3.0.4
2.7.14
2.8.12
2.9.6
3.0.4

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.