Moodle Improper Access Control

Also known as GHSA-gr8j-qm8r-rfgg

Published 9 y ago 2017-04-20 · modified 4 mo ago 2026-06-17 · JSON

CVSS

4.3

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.2%

percentile 68%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.17% probability of exploitation in the next 30 days, higher than 68% of all scored CVEs.

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

CWE-284 Improper Access Control

References

openwall.com /lists/oss-security/2016/05/17/4 · mailing-list, x_refsource_MLIST, x_transferred
git.moodle.org /gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51369 · x_refsource_CONFIRM, x_transferred
bugzilla.redhat.com /show_bug.cgi?id=1335933 · x_refsource_CONFIRM, x_transferred
securitytracker.com /id/1035902 · vdb-entry, x_refsource_SECTRACK, x_transferred
nvd.nist.gov /vuln/detail/CVE-2016-3733 · advisory
github.com /moodle/moodle/commit/12c28574868d6f6e5c57fb63298c82cb8bdd0bb6 · web
github.com /moodle/moodle/commit/24b0c3c86ae96e46b87d6e9d6bcf4a6014dae8f0 · web
github.com /moodle/moodle/commit/2950f9fb9128f9ae48e00b864da90be76c2bf139 · web
github.com /moodle/moodle/commit/3c9d2b104023a8b9fdc5f4d7e136083babd2609a · web

Sources

CVE List: CVE-2016-3733
GitHub Advisory: GHSA-gr8j-qm8r-rfgg
NVD: CVE-2016-3733

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