No exploitation reportedFix available

CVE-2020-10738

Q: Is CVE-2020-10738 actively exploited?

Active exploitation of CVE-2020-10738 has not been confirmed. Its EPSS score was 3.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-10738?

CVE-2020-10738 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-05-21
Fixed in3.8.3 · 3.7.6 · 3.6.10 · 3.5.12
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2020-05-2116:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-10738?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-10738?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Moodle

Branch	Affected	Fixed in	Source
3.8	≥ 3.8, < 3.8.3	3.8.3	NVD
3.7	≥ 3.7, < 3.7.6	3.7.6	NVD
3.6	≥ 3.6, < 3.6.10	3.6.10	NVD
3.5	≥ 3.5, < 3.5.12	3.5.12	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Moodle to 3.8.3 · 3.7.6 · 3.6.10 · 3.5.12

Advisories and patches

git.moodle.orgPatch · Vendor Advisory
bugzilla.redhat.comPatch
moodle.orgPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.17.5read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score3.0 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-05-21
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-10738?

Is CVE-2020-10738 actively exploited?

Active exploitation of CVE-2020-10738 has not been confirmed. Its EPSS score was 3.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-10738?

CVE-2020-10738 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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