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CVE-2025-3640Moodle: idor in web service allows users enrolled in a course to access some details of other users

Description

A flaw was found in Moodle. Insufficient capability checks made it possible for a user enrolled in a course to access some details, such as the full name and profile image URL, of other users they did not have permission to access.

Timeline

  1. ID reserved

    By fedora

  2. · 10 days later

    Published

  3. · 3 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-3640, by who scored it
Scored byCVSSScoreVector
fedoraCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVDNVD · Analyzed3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS (exploitation in 30 days)
0.39% · top 66% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Affected products

  • moodle

    • affected 4.5.0 – < 4.5.4
    • affected 4.4.0 – < 4.4.8
    • affected 4.3.0 – < 4.3.12
    • affected 4.1.0 – < 4.1.18

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-3640 badge
[![CVE-2025-3640](https://cveledger.app/badge/CVE-2025-3640.svg)](https://cveledger.app/cve/CVE-2025-3640)

Record last updated .