CVE-2020-25629

mediumpriority · track · 35OT risk · elevatedEPSS 0.013 · 71 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.32% (71st) EPSS

CVSS 6.5 · medium

Is it mine?

17 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

A vulnerability was found in Moodle where users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager. This affects 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. This is fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USprimaryCWE-284USCWE-284USCWE-862US

affected products (17)

Products and version ranges known to be affected.

n/a Moodle≤ 3.7 to 3.7.7enisa_euvdEU
n/a Moodle≤ 3.9 to 3.9.1enisa_euvdEU
n/a Moodle≤ 3.5 to 3.5.13enisa_euvdEU
n/a Moodle≤ earlier unsupported versionsenisa_euvdEU
n/a Moodle≤ 3.8 to 3.8.4enisa_euvdEU
moodle moodle3.5.0 → 3.5.14nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.7.0 → 3.7.8nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.8.0 → 3.8.5nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.9.0 → 3.9.2nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Bitnami moodle3.5.0 → 3.5.14osvUSpkg:bitnami/moodle
Bitnami moodle3.7.0 → 3.7.8osvUSpkg:bitnami/moodle
Bitnami moodle3.8.0 → 3.8.5osvUSpkg:bitnami/moodle
Bitnami moodle3.9.0 → 3.9.2osvUSpkg:bitnami/moodle
Packagist moodle/moodle3.5 → 3.5.14osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.7 → 3.7.8osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.8 → 3.8.5osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.9 → 3.9.2osvUSpkg:composer/moodle/moodle

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-f5r8-7h4f-jr9xMoodle incorrect access control2022-05-24ghsa · osvUS
A vulnerability was found in Moodle where users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager. This affects 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. This is fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.
BIT-moodle-2020-256292024-03-06vendor · osvUS
A vulnerability was found in Moodle where users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager. This affects 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. This is fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2020-12-08modified 2026-06-17

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+11474 more

references (4)

External citations — patches, advisories, analysis.

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