Moodle: users' name enumeration possible via idor on learning plans page (moodle)

CVE-2023-28334

MEDIUM 4.3

At a glance

Source: NVD
EPSS: EPSS 0.55 % · percentile 46 (2026-10-29)
State: PUBLISHED
Published: 2023-03-23 00:00 UTC
Updated: 2024-08-02 12:38 UTC
Assigner: fedora
NVD status: Modified

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Description

Authenticated users were able to enumerate other users' names via the learning plans page.

Weaknesses (CWE)

CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor
CWE-639 — Authorization Bypass Through User-Controlled Key

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CISA-ADP
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Advisories

GHSA-hh52-g5c4-wprh — Moodle may allow authenticated users to enumerate other user's names via learning plans page

European references

ENISA EUVD · EUVD-2023-1034
GCVE · GCVE-0-2023-28334

CERT-FR advisories

CERTFR-2023-AVI-0246 — Multiples vulnérabilités dans les produits Moodle · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* > 4.0.0 < 4.0.7
cpe:2.3:a:moodle:moodle:4.0.0:-:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:4.1.1:*:*:*:*:*:*:*

Affected products

Product	Versions
moodle	affected 4.1.0 < 4.1.2 ; affected 4.0.0 < 4.0.7

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD