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Vulnerability details: VCID-a9qc-hvhz-97gm
Vulnerability ID VCID-a9qc-hvhz-97gm
Aliases CVE-2025-3640
GHSA-6g5x-h5x7-q4mq
Summary Moodle has an IDOR in web service which allows users enrolled in a course to access some details of other users 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-639 Authorization Bypass Through User-Controlled Key
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-2025-3640
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2025-3640
ssvc Track https://access.redhat.com/security/cve/CVE-2025-3640
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2025-3640
epss 0.00037 https://api.first.org/data/v1/epss?cve=CVE-2025-3640
cvssv3.1 4.3 https://bugzilla.redhat.com/show_bug.cgi?id=2359734
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2359734
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2359734
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/64a4311266cbe9a9a942c836931bef224018b77d
generic_textual MODERATE https://github.com/moodle/moodle/commit/64a4311266cbe9a9a942c836931bef224018b77d
cvssv3.1 4.3 https://moodle.org/mod/forum/discuss.php?d=467601
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=467601
ssvc Track https://moodle.org/mod/forum/discuss.php?d=467601
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2025-3640
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-3640
Reference id Reference type URL
https://access.redhat.com/security/cve/CVE-2025-3640
https://api.first.org/data/v1/epss?cve=CVE-2025-3640
https://bugzilla.redhat.com/show_bug.cgi?id=2359734
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/64a4311266cbe9a9a942c836931bef224018b77d
https://moodle.org/mod/forum/discuss.php?d=467601
https://nvd.nist.gov/vuln/detail/CVE-2025-3640
GHSA-6g5x-h5x7-q4mq https://github.com/advisories/GHSA-6g5x-h5x7-q4mq
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/security/cve/CVE-2025-3640
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/2025-04-25T15:42:58Z/ Found at https://access.redhat.com/security/cve/CVE-2025-3640
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359734
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/2025-04-25T15:42:58Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359734
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:L/I:N/A:N Found at https://github.com/moodle/moodle/commit/64a4311266cbe9a9a942c836931bef224018b77d
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:L/I:N/A:N Found at https://moodle.org/mod/forum/discuss.php?d=467601
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/2025-04-25T15:42:58Z/ Found at https://moodle.org/mod/forum/discuss.php?d=467601
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2025-3640
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 0.07301
EPSS Score 0.00031
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:12:10.781784+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-6g5x-h5x7-q4mq/GHSA-6g5x-h5x7-q4mq.json 36.1.3