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Vulnerability details: VCID-ph6x-pjhs-8ueg
Vulnerability ID VCID-ph6x-pjhs-8ueg
Aliases CVE-2025-3634
GHSA-qhc7-xhc2-7p7w
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-287 Improper Authentication
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 4.3 https://access.redhat.com/security/cve/CVE-2025-3634
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2025-3634
ssvc Track https://access.redhat.com/security/cve/CVE-2025-3634
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-3634
epss 0.00037 https://api.first.org/data/v1/epss?cve=CVE-2025-3634
cvssv3.1 4.3 https://bugzilla.redhat.com/show_bug.cgi?id=2359707
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2359707
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2359707
cvssv3.1 4.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 4.3 https://github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
generic_textual MODERATE https://github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
cvssv3.1 4.3 https://moodle.org/mod/forum/discuss.php?d=467596
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=467596
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2025-3634
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-3634
Reference id Reference type URL
https://access.redhat.com/security/cve/CVE-2025-3634
https://api.first.org/data/v1/epss?cve=CVE-2025-3634
https://bugzilla.redhat.com/show_bug.cgi?id=2359707
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
https://moodle.org/mod/forum/discuss.php?d=467596
https://nvd.nist.gov/vuln/detail/CVE-2025-3634
GHSA-qhc7-xhc2-7p7w https://github.com/advisories/GHSA-qhc7-xhc2-7p7w
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/security/cve/CVE-2025-3634
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T14:23:56Z/ Found at https://access.redhat.com/security/cve/CVE-2025-3634
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359707
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-25T14:23:56Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359707
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=467596
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2025-3634
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.07313
EPSS Score 0.00032
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:12:10.515210+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-qhc7-xhc2-7p7w/GHSA-qhc7-xhc2-7p7w.json 36.1.3