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Fencer Vulns
high 7.5

CVE-2020-10738 json

Moodle vulnerable to RCE

published 2020-05-21 6 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2020-10738 , EUVD-2022-5416 , GHSA-vr6v-g96p-cjc3

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

A flaw was found in Moodle versions 3.8 before 3.8.3, 3.7 before 3.7.6, 3.6 before 3.6.10, 3.5 before 3.5.12 and earlier unsupported versions. It was possible to create a SCORM package in such a way that when added to a course, it could be interacted with via web services in order to achieve remote code execution.

Patch / fix

  • packagist moodle/moodle 3.5.12, 3.6.10, 3.7.6, 3.8.3
  • bitnami moodle 3.5.12, 3.6.10, 3.7.6, 3.8.3
  • moodle moodle 3.5.12, 3.6.10, 3.7.6, 3.8.3

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-2020-10738 updated cvss 7.5

moodle: remote code execution possible via SCORM packages (MSA-20-0006)

  • 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

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=3.8, <3.8.3
>=3.7, <3.7.6
>=3.6, <3.6.10
>=3.5, <3.5.12
3.8.3
3.7.6
3.6.10
3.5.12
bitnami moodle
>=3.5.0, <3.5.12
>=3.6.0, <3.6.10
>=3.7.0, <3.7.6
>=3.8.0, <3.8.3
3.5.12
3.6.10
3.7.6
3.8.3

Affected products

  • [UNKNOWN] moodle

Classification

Weakness
  • CWE-20 Improper Input Validation

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.