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Fencer Intel
high 7.5

CVE-2020-25698 json

Improper Access Control in moodle

published 5y ago modified 2mo ago also BIT-moodle-2020-25698 , EUVD-2021-0714 , GHSA-vxhx-gmhm-623c

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do so. Versions affected: 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, 3.9 to 3.9.2 and earlier unsupported versions. Fixed in 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.

Patch / fix

  • packagist moodle/moodle 3.5.15, 3.7.9, 3.8.6, 3.9.3
  • bitnami moodle 3.5.15, 3.7.9, 3.8.6, 3.9.3

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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-2020-25698 updated cvss 6.5

moodle: Teacher is able to unenrol users without permission using course restore

  • 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

1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=3.9.0, <3.9.3
>=3.8.0, <3.8.6
>=3.7.0, <3.7.9
>=3.5, <3.5.15
3.9.3
3.8.6
3.7.9
3.5.15
bitnami moodle
>=3.5.0, <3.5.15
>=3.7.0, <3.7.9
>=3.8.0, <3.8.6
>=3.9.0, <3.9.3
3.5.15
3.7.9
3.8.6
3.9.3

Affected products

  • n/a moodle

Classification

Weakness

References

Sources

Fencer Intel 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.