GHSA-qhc7-xhc2-7p7w · Severity: medium · Ecosystem: composer — Moodle self enrollment available before completing second factor with MFA enabled
A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.
Conclusion & alert: CVE-2025-3634 is rated Low Risk (29.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-03 | 0.16% | 0.15% | -0.01% |
| 2 | 2026-06-01 | 0.32% | 0.16% | -0.16% |
| 3 | 2026-02-19 | — | 0.32% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
GHSA-qhc7-xhc2-7p7w · Severity: medium · Ecosystem: composer — Moodle self enrollment available before completing second factor with MFA enabled
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2025-3634 medium priority: Ubuntu including 1 source packages (moodle), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): DNE 6, needs-triage 3. | https://ubuntu.com/security/CVE-2025-3634 |
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2025-3634 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2359707 | Issue Tracking |