CVE-2021-40694

mediumpriority · track · 20EPSS 0.009 · 60 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.90% (60th) EPSS

CVSS 4.9 · medium

Is it mine?

10 products

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.

cvss

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

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

n/a Moodle≤ 3.11 to 3.11.2, 3.10 to 3.10.6, 3.9 to 3.9.9 and earlier unsupported versionsenisa_euvdEU
moodle moodle< 3.9.10nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.10.0 → 3.10.7nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.11.0 → 3.11.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Bitnami moodle< 3.9.10osvUSpkg:bitnami/moodle
Bitnami moodle3.10.0 → 3.10.7osvUSpkg:bitnami/moodle
Bitnami moodle3.11.0 → 3.11.3osvUSpkg:bitnami/moodle
Packagist moodle/moodle3.10 → 3.10.7osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.11 → 3.11.3osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.9 → 3.9.10osvUSpkg:composer/moodle/moodle

Vendor and ecosystem advisories describing this.

GHSA-m37g-mwcg-7j7vMoodle Improper Encoding or Escaping of Output2022-09-30ghsa · osvUS
Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.
BIT-moodle-2021-406942024-03-06vendor · osvUS
Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2022-09-29modified 2026-06-17

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External citations — patches, advisories, analysis.

scry

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